diff --git a/configs/milvus.yaml b/configs/milvus.yaml
index 0181c4c80b..d7df286aa8 100644
--- a/configs/milvus.yaml
+++ b/configs/milvus.yaml
@@ -72,6 +72,7 @@ proxy:
 queryCoord:
   address: localhost
   port: 19531
+  autoHandoff: true
 
   grpc:
     serverMaxRecvSize: 2147483647 # math.MaxInt32
diff --git a/internal/datacoord/meta.go b/internal/datacoord/meta.go
index 47d1cc6977..1e8f199369 100644
--- a/internal/datacoord/meta.go
+++ b/internal/datacoord/meta.go
@@ -17,19 +17,20 @@ import (
 	"sync"
 	"time"
 
-	"github.com/milvus-io/milvus/internal/log"
 	"go.uber.org/zap"
 
 	"github.com/golang/protobuf/proto"
 	"github.com/milvus-io/milvus/internal/kv"
-
+	"github.com/milvus-io/milvus/internal/log"
 	"github.com/milvus-io/milvus/internal/proto/commonpb"
 	"github.com/milvus-io/milvus/internal/proto/datapb"
+	"github.com/milvus-io/milvus/internal/proto/querypb"
 )
 
 const (
-	metaPrefix    = "datacoord-meta"
-	segmentPrefix = metaPrefix + "/s"
+	metaPrefix           = "datacoord-meta"
+	segmentPrefix        = metaPrefix + "/s"
+	handoffSegmentPrefix = "querycoord-handoff"
 )
 
 type meta struct {
@@ -452,8 +453,27 @@ func (m *meta) saveSegmentInfo(segment *SegmentInfo) error {
 		log.Error("DataCoord saveSegmentInfo marshal failed", zap.Int64("segmentID", segment.GetID()), zap.Error(err))
 		return fmt.Errorf("DataCoord saveSegmentInfo segmentID:%d, marshal failed:%w", segment.GetID(), err)
 	}
-	key := buildSegmentPath(segment.GetCollectionID(), segment.GetPartitionID(), segment.GetID())
-	return m.client.Save(key, string(segBytes))
+	kvs := make(map[string]string)
+	dataKey := buildSegmentPath(segment.GetCollectionID(), segment.GetPartitionID(), segment.GetID())
+	kvs[dataKey] = string(segBytes)
+	if segment.State == commonpb.SegmentState_Flushed {
+		handoffSegmentInfo := &querypb.SegmentInfo{
+			SegmentID:    segment.ID,
+			CollectionID: segment.CollectionID,
+			PartitionID:  segment.PartitionID,
+			ChannelID:    segment.InsertChannel,
+			SegmentState: querypb.SegmentState_sealed,
+		}
+		handoffSegBytes, err := proto.Marshal(handoffSegmentInfo)
+		if err != nil {
+			log.Error("DataCoord saveSegmentInfo marshal handoffSegInfo failed", zap.Int64("segmentID", segment.GetID()), zap.Error(err))
+			return fmt.Errorf("DataCoord saveSegmentInfo segmentID:%d, marshal handoffSegInfo failed:%w", segment.GetID(), err)
+		}
+		queryKey := buildQuerySegmentPath(segment.GetCollectionID(), segment.GetPartitionID(), segment.GetID())
+		kvs[queryKey] = string(handoffSegBytes)
+	}
+
+	return m.client.MultiSave(kvs)
 }
 
 // removeSegmentInfo utility function removing segment info from kv store
@@ -473,6 +493,11 @@ func buildSegmentPath(collectionID UniqueID, partitionID UniqueID, segmentID Uni
 	return fmt.Sprintf("%s/%d/%d/%d", segmentPrefix, collectionID, partitionID, segmentID)
 }
 
+// buildQuerySegmentPath common logic mapping segment info to corresponding key of queryCoord in kv store
+func buildQuerySegmentPath(collectionID UniqueID, partitionID UniqueID, segmentID UniqueID) string {
+	return fmt.Sprintf("%s/%d/%d/%d", handoffSegmentPrefix, collectionID, partitionID, segmentID)
+}
+
 // buildSegment utility function for compose datapb.SegmentInfo struct with provided info
 func buildSegment(collectionID UniqueID, partitionID UniqueID, segmentID UniqueID, channelName string) *SegmentInfo {
 	info := &datapb.SegmentInfo{
diff --git a/internal/datacoord/meta_test.go b/internal/datacoord/meta_test.go
index c757aa3c61..0134783b07 100644
--- a/internal/datacoord/meta_test.go
+++ b/internal/datacoord/meta_test.go
@@ -12,6 +12,8 @@ package datacoord
 
 import (
 	"context"
+	"path/filepath"
+	"strconv"
 	"testing"
 
 	"github.com/golang/protobuf/proto"
@@ -284,3 +286,26 @@ func TestUpdateFlushSegmentsInfo(t *testing.T) {
 		assert.Nil(t, segmentInfo.StartPosition)
 	})
 }
+
+func TestSaveHandoffMeta(t *testing.T) {
+	meta, err := newMeta(memkv.NewMemoryKV())
+	assert.Nil(t, err)
+
+	info := &datapb.SegmentInfo{
+		ID:    100,
+		State: commonpb.SegmentState_Flushed,
+	}
+	segmentInfo := &SegmentInfo{
+		SegmentInfo: info,
+	}
+
+	err = meta.saveSegmentInfo(segmentInfo)
+	assert.Nil(t, err)
+
+	keys, _, err := meta.client.LoadWithPrefix(handoffSegmentPrefix)
+	assert.Nil(t, err)
+	assert.Equal(t, 1, len(keys))
+	segmentID, err := strconv.ParseInt(filepath.Base(keys[0]), 10, 64)
+	assert.Nil(t, err)
+	assert.Equal(t, 100, int(segmentID))
+}
diff --git a/internal/proto/query_coord.proto b/internal/proto/query_coord.proto
index c941b5ca31..e0fcbd4e36 100644
--- a/internal/proto/query_coord.proto
+++ b/internal/proto/query_coord.proto
@@ -292,11 +292,6 @@ message CollectionInfo {
   int64 inMemory_percentage = 8;
 }
 
-message HandoffSegments {
-  common.MsgBase base = 1;
-  repeated SegmentLoadInfo infos = 2;
-}
-
 message LoadBalanceSegmentInfo {
   int64 segmentID = 1;
   int64 partitionID = 2;
@@ -308,6 +303,11 @@ message LoadBalanceSegmentInfo {
   bool valid_info = 8;
 }
 
+message HandoffSegmentsRequest {
+  common.MsgBase base = 1;
+  repeated SegmentInfo segmentInfos = 2;
+}
+
 message LoadBalanceRequest {
   common.MsgBase base = 1;
   repeated int64 source_nodeIDs = 2;
diff --git a/internal/proto/querypb/query_coord.pb.go b/internal/proto/querypb/query_coord.pb.go
index d66b3ced7c..23af6c451a 100644
--- a/internal/proto/querypb/query_coord.pb.go
+++ b/internal/proto/querypb/query_coord.pb.go
@@ -1876,53 +1876,6 @@ func (m *CollectionInfo) GetInMemoryPercentage() int64 {
 	return 0
 }
 
-type HandoffSegments struct {
-	Base                 *commonpb.MsgBase  `protobuf:"bytes,1,opt,name=base,proto3" json:"base,omitempty"`
-	Infos                []*SegmentLoadInfo `protobuf:"bytes,2,rep,name=infos,proto3" json:"infos,omitempty"`
-	XXX_NoUnkeyedLiteral struct{}           `json:"-"`
-	XXX_unrecognized     []byte             `json:"-"`
-	XXX_sizecache        int32              `json:"-"`
-}
-
-func (m *HandoffSegments) Reset()         { *m = HandoffSegments{} }
-func (m *HandoffSegments) String() string { return proto.CompactTextString(m) }
-func (*HandoffSegments) ProtoMessage()    {}
-func (*HandoffSegments) Descriptor() ([]byte, []int) {
-	return fileDescriptor_aab7cc9a69ed26e8, []int{25}
-}
-
-func (m *HandoffSegments) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_HandoffSegments.Unmarshal(m, b)
-}
-func (m *HandoffSegments) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_HandoffSegments.Marshal(b, m, deterministic)
-}
-func (m *HandoffSegments) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_HandoffSegments.Merge(m, src)
-}
-func (m *HandoffSegments) XXX_Size() int {
-	return xxx_messageInfo_HandoffSegments.Size(m)
-}
-func (m *HandoffSegments) XXX_DiscardUnknown() {
-	xxx_messageInfo_HandoffSegments.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_HandoffSegments proto.InternalMessageInfo
-
-func (m *HandoffSegments) GetBase() *commonpb.MsgBase {
-	if m != nil {
-		return m.Base
-	}
-	return nil
-}
-
-func (m *HandoffSegments) GetInfos() []*SegmentLoadInfo {
-	if m != nil {
-		return m.Infos
-	}
-	return nil
-}
-
 type LoadBalanceSegmentInfo struct {
 	SegmentID            int64    `protobuf:"varint,1,opt,name=segmentID,proto3" json:"segmentID,omitempty"`
 	PartitionID          int64    `protobuf:"varint,2,opt,name=partitionID,proto3" json:"partitionID,omitempty"`
@@ -1941,7 +1894,7 @@ func (m *LoadBalanceSegmentInfo) Reset()         { *m = LoadBalanceSegmentInfo{}
 func (m *LoadBalanceSegmentInfo) String() string { return proto.CompactTextString(m) }
 func (*LoadBalanceSegmentInfo) ProtoMessage()    {}
 func (*LoadBalanceSegmentInfo) Descriptor() ([]byte, []int) {
-	return fileDescriptor_aab7cc9a69ed26e8, []int{26}
+	return fileDescriptor_aab7cc9a69ed26e8, []int{25}
 }
 
 func (m *LoadBalanceSegmentInfo) XXX_Unmarshal(b []byte) error {
@@ -2018,6 +1971,53 @@ func (m *LoadBalanceSegmentInfo) GetValidInfo() bool {
 	return false
 }
 
+type HandoffSegmentsRequest struct {
+	Base                 *commonpb.MsgBase `protobuf:"bytes,1,opt,name=base,proto3" json:"base,omitempty"`
+	SegmentInfos         []*SegmentInfo    `protobuf:"bytes,2,rep,name=segmentInfos,proto3" json:"segmentInfos,omitempty"`
+	XXX_NoUnkeyedLiteral struct{}          `json:"-"`
+	XXX_unrecognized     []byte            `json:"-"`
+	XXX_sizecache        int32             `json:"-"`
+}
+
+func (m *HandoffSegmentsRequest) Reset()         { *m = HandoffSegmentsRequest{} }
+func (m *HandoffSegmentsRequest) String() string { return proto.CompactTextString(m) }
+func (*HandoffSegmentsRequest) ProtoMessage()    {}
+func (*HandoffSegmentsRequest) Descriptor() ([]byte, []int) {
+	return fileDescriptor_aab7cc9a69ed26e8, []int{26}
+}
+
+func (m *HandoffSegmentsRequest) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_HandoffSegmentsRequest.Unmarshal(m, b)
+}
+func (m *HandoffSegmentsRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_HandoffSegmentsRequest.Marshal(b, m, deterministic)
+}
+func (m *HandoffSegmentsRequest) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_HandoffSegmentsRequest.Merge(m, src)
+}
+func (m *HandoffSegmentsRequest) XXX_Size() int {
+	return xxx_messageInfo_HandoffSegmentsRequest.Size(m)
+}
+func (m *HandoffSegmentsRequest) XXX_DiscardUnknown() {
+	xxx_messageInfo_HandoffSegmentsRequest.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_HandoffSegmentsRequest proto.InternalMessageInfo
+
+func (m *HandoffSegmentsRequest) GetBase() *commonpb.MsgBase {
+	if m != nil {
+		return m.Base
+	}
+	return nil
+}
+
+func (m *HandoffSegmentsRequest) GetSegmentInfos() []*SegmentInfo {
+	if m != nil {
+		return m.SegmentInfos
+	}
+	return nil
+}
+
 type LoadBalanceRequest struct {
 	Base                 *commonpb.MsgBase `protobuf:"bytes,1,opt,name=base,proto3" json:"base,omitempty"`
 	SourceNodeIDs        []int64           `protobuf:"varint,2,rep,packed,name=source_nodeIDs,json=sourceNodeIDs,proto3" json:"source_nodeIDs,omitempty"`
@@ -2175,8 +2175,8 @@ func init() {
 	proto.RegisterType((*DmChannelInfo)(nil), "milvus.proto.query.DmChannelInfo")
 	proto.RegisterType((*QueryChannelInfo)(nil), "milvus.proto.query.QueryChannelInfo")
 	proto.RegisterType((*CollectionInfo)(nil), "milvus.proto.query.CollectionInfo")
-	proto.RegisterType((*HandoffSegments)(nil), "milvus.proto.query.HandoffSegments")
 	proto.RegisterType((*LoadBalanceSegmentInfo)(nil), "milvus.proto.query.LoadBalanceSegmentInfo")
+	proto.RegisterType((*HandoffSegmentsRequest)(nil), "milvus.proto.query.HandoffSegmentsRequest")
 	proto.RegisterType((*LoadBalanceRequest)(nil), "milvus.proto.query.LoadBalanceRequest")
 	proto.RegisterType((*SealedSegmentsChangeInfo)(nil), "milvus.proto.query.SealedSegmentsChangeInfo")
 }
@@ -2184,145 +2184,145 @@ func init() {
 func init() { proto.RegisterFile("query_coord.proto", fileDescriptor_aab7cc9a69ed26e8) }
 
 var fileDescriptor_aab7cc9a69ed26e8 = []byte{
-	// 2200 bytes of a gzipped FileDescriptorProto
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+	0xc3, 0x9e, 0x5a, 0x08, 0x17, 0xc2, 0x4a, 0x18, 0x2e, 0x14, 0xc3, 0x05, 0x5e, 0x16, 0xd5, 0xd2,
+	0xda, 0xfb, 0x50, 0x8b, 0x32, 0x2e, 0x3a, 0x07, 0xad, 0xd4, 0x9c, 0x5c, 0x5d, 0x41, 0x88, 0x77,
+	0x6b, 0xf3, 0xdc, 0xaa, 0x2a, 0x1b, 0xff, 0x02, 0x00, 0x5e, 0xf4, 0x09, 0xf1, 0x2d, 0x34, 0x05,
+	0xb4, 0x85, 0x83, 0x4d, 0xe2, 0x4e, 0x89, 0x17, 0x89, 0x44, 0xd1, 0x7b, 0x0b, 0x6a, 0x62, 0x1e,
+	0x55, 0x9c, 0xb2, 0xff, 0xd6, 0x82, 0x1d, 0x19, 0x74, 0x6d, 0x05, 0xb9, 0x8c, 0x63, 0x78, 0x21,
+	0xd8, 0xb3, 0xc7, 0x8f, 0xa2, 0x21, 0xeb, 0x31, 0x1c, 0x33, 0xa8, 0x11, 0xc7, 0x4c, 0x41, 0x14,
+	0x3f, 0xbb, 0x81, 0x6f, 0x7b, 0x93, 0x68, 0x18, 0xa3, 0xad, 0xa0, 0xc7, 0x70, 0x61, 0x0b, 0x33,
+	0xee, 0x36, 0x0d, 0xec, 0x31, 0x8d, 0x18, 0x6e, 0x2c, 0x66, 0x98, 0x43, 0x7e, 0x4e, 0x96, 0x0e,
+	0x74, 0x32, 0x8f, 0x81, 0x68, 0x4d, 0xea, 0xf3, 0xd2, 0x87, 0xcb, 0xfe, 0x3b, 0x4b, 0xe1, 0xc6,
+	0xdc, 0x6c, 0x68, 0xa7, 0x1f, 0xca, 0xd0, 0xdb, 0x8b, 0x08, 0xe4, 0x5e, 0x16, 0xfa, 0x6b, 0xcb,
+	0xa0, 0xc6, 0xac, 0x1e, 0x40, 0x3b, 0xfd, 0x14, 0x23, 0x67, 0x25, 0x7d, 0xae, 0xe9, 0x1f, 0x37,
+	0x07, 0xd3, 0x56, 0xd0, 0x0f, 0xe1, 0x5c, 0xee, 0xfd, 0x03, 0x7d, 0x43, 0x46, 0x7e, 0xd1, 0x33,
+	0xc9, 0x49, 0x1c, 0x84, 0xf4, 0x73, 0x2d, 0x2e, 0x96, 0x3e, 0xf7, 0x10, 0xb6, 0xbc, 0xf4, 0x09,
+	0xf2, 0xc7, 0x49, 0xff, 0xdc, 0x1c, 0x66, 0x80, 0xf2, 0x2f, 0x20, 0xe8, 0x5d, 0x19, 0x8b, 0x85,
+	0xaf, 0x30, 0xfd, 0xf5, 0x65, 0xd1, 0x63, 0x93, 0xcf, 0x58, 0xb4, 0x66, 0xdf, 0x0a, 0xa4, 0x6c,
+	0x17, 0x3e, 0x7e, 0xc8, 0xd9, 0x2e, 0x1e, 0xef, 0x73, 0xa7, 0x4e, 0x8f, 0x57, 0xe5, 0xb6, 0x92,
+	0x8e, 0xdc, 0xe5, 0x4e, 0x2d, 0x9f, 0xd6, 0x6a, 0x2b, 0xc8, 0x00, 0xd8, 0xc2, 0xc1, 0x3d, 0x1c,
+	0xf8, 0xf6, 0x98, 0xa2, 0xb7, 0xa4, 0x21, 0x3e, 0x47, 0x88, 0x78, 0x5c, 0x3f, 0x11, 0x2f, 0x62,
+	0xb0, 0xf1, 0xe7, 0x3a, 0xd4, 0x99, 0x76, 0xc3, 0xca, 0xf8, 0xff, 0x84, 0xfb, 0x02, 0x12, 0xee,
+	0x43, 0xe8, 0x64, 0xa6, 0xe0, 0xf2, 0x84, 0x2b, 0x1f, 0x95, 0x9f, 0x14, 0x79, 0x23, 0x40, 0xf9,
+	0x51, 0xad, 0x3c, 0x04, 0x16, 0x8e, 0x74, 0x4f, 0xe2, 0xf1, 0x10, 0x3a, 0x99, 0x51, 0xa9, 0xfc,
+	0x04, 0xf2, 0x79, 0xea, 0x49, 0xd4, 0xbf, 0x80, 0x66, 0x72, 0x2e, 0x85, 0xae, 0x2f, 0xca, 0x7b,
+	0x99, 0xee, 0xfe, 0xe5, 0x67, 0xbd, 0x17, 0x5f, 0x15, 0x1e, 0x42, 0x27, 0x33, 0x3a, 0x92, 0x6b,
+	0x5e, 0x3e, 0x5f, 0x3a, 0x89, 0xfa, 0x57, 0x28, 0x8f, 0xdd, 0xfe, 0xe0, 0xc1, 0xc6, 0xc4, 0x0e,
+	0x0e, 0x66, 0xa3, 0xf0, 0x94, 0x37, 0x39, 0xe6, 0xbb, 0x36, 0x11, 0x5f, 0x37, 0xa3, 0x80, 0xbe,
+	0xc9, 0x28, 0xdd, 0x64, 0xd2, 0x4e, 0x47, 0xa3, 0x0a, 0xfb, 0xbd, 0xf5, 0x9f, 0x00, 0x00, 0x00,
+	0xff, 0xff, 0xe4, 0x62, 0x7a, 0xd7, 0x1d, 0x26, 0x00, 0x00,
 }
 
 // Reference imports to suppress errors if they are not otherwise used.
diff --git a/internal/querycoord/mock_3rd_component_test.go b/internal/querycoord/mock_3rd_component_test.go
index 214152804e..15e4b49a95 100644
--- a/internal/querycoord/mock_3rd_component_test.go
+++ b/internal/querycoord/mock_3rd_component_test.go
@@ -42,6 +42,7 @@ const (
 	defaultPartitionID  = UniqueID(2021)
 	defaultSegmentID    = UniqueID(2021)
 	defaultQueryNodeID  = int64(100)
+	defaultChannelNum   = 2
 )
 
 func genCollectionSchema(collectionID UniqueID, isBinary bool) *schemapb.CollectionSchema {
@@ -318,7 +319,7 @@ func newDataCoordMock(ctx context.Context) (*dataCoordMock, error) {
 		partitionID2Segment: partitionID2Segments,
 		Segment2Binlog:      segment2Binglog,
 		baseSegmentID:       defaultSegmentID,
-		channelNumPerCol:    2,
+		channelNumPerCol:    defaultChannelNum,
 	}, nil
 }
 
diff --git a/internal/querycoord/param_table.go b/internal/querycoord/param_table.go
index a96975bf4c..87b3faa623 100644
--- a/internal/querycoord/param_table.go
+++ b/internal/querycoord/param_table.go
@@ -64,6 +64,9 @@ type ParamTable struct {
 
 	// --- Pulsar ---
 	PulsarAddress string
+
+	//---- Handoff ---
+	AutoHandoff bool
 }
 
 // Params are variables of the ParamTable type
@@ -114,6 +117,9 @@ func (p *ParamTable) Init() {
 
 	//--- Pulsar ----
 	p.initPulsarAddress()
+
+	//---- Handoff ---
+	p.initAutoHandoff()
 }
 
 func (p *ParamTable) initQueryCoordAddress() {
@@ -256,3 +262,14 @@ func (p *ParamTable) initPulsarAddress() {
 	}
 	p.PulsarAddress = addr
 }
+
+func (p *ParamTable) initAutoHandoff() {
+	handoff, err := p.Load("queryCoord.autoHandoff")
+	if err != nil {
+		panic(err)
+	}
+	p.AutoHandoff, err = strconv.ParseBool(handoff)
+	if err != nil {
+		panic(err)
+	}
+}
diff --git a/internal/querycoord/query_coord.go b/internal/querycoord/query_coord.go
index f638773caf..c0fb08719a 100644
--- a/internal/querycoord/query_coord.go
+++ b/internal/querycoord/query_coord.go
@@ -15,12 +15,15 @@ import (
 	"context"
 	"errors"
 
+	"fmt"
 	"math/rand"
 	"strconv"
 	"sync"
 	"sync/atomic"
 	"time"
 
+	"github.com/golang/protobuf/proto"
+	"go.etcd.io/etcd/api/v3/mvccpb"
 	"go.uber.org/zap"
 
 	"github.com/milvus-io/milvus/internal/allocator"
@@ -38,6 +41,10 @@ import (
 	"github.com/milvus-io/milvus/internal/util/typeutil"
 )
 
+const (
+	handoffSegmentPrefix = "querycoord-handoff"
+)
+
 // Timestamp is an alias for the Int64 type
 type Timestamp = typeutil.Timestamp
 
@@ -172,6 +179,9 @@ func (qc *QueryCoord) Start() error {
 	qc.loopWg.Add(1)
 	go qc.watchNodeLoop()
 
+	qc.loopWg.Add(1)
+	go qc.watchHandoffSegmentLoop()
+
 	go qc.session.LivenessCheck(qc.loopCtx, func() {
 		qc.Stop()
 	})
@@ -331,3 +341,86 @@ func (qc *QueryCoord) watchNodeLoop() {
 		}
 	}
 }
+
+func (qc *QueryCoord) watchHandoffSegmentLoop() {
+	ctx, cancel := context.WithCancel(qc.loopCtx)
+
+	defer cancel()
+	defer qc.loopWg.Done()
+	log.Debug("query coordinator start watch segment loop")
+
+	// TODO:: recover handoff task when coord down
+	watchChan := qc.kvClient.WatchWithPrefix(handoffSegmentPrefix)
+
+	for {
+		select {
+		case <-ctx.Done():
+			return
+		case resp := <-watchChan:
+			for _, event := range resp.Events {
+				segmentInfo := &querypb.SegmentInfo{}
+				err := proto.Unmarshal(event.Kv.Value, segmentInfo)
+				if err != nil {
+					log.Error("watchHandoffSegmentLoop: unmarshal failed", zap.Any("error", err.Error()))
+					continue
+				}
+				switch event.Type {
+				case mvccpb.PUT:
+					collectionID := segmentInfo.CollectionID
+					partitionID := segmentInfo.PartitionID
+					segmentID := segmentInfo.SegmentID
+					if Params.AutoHandoff {
+						log.Debug("watchHandoffSegmentLoop: handoff segment received",
+							zap.Any("collectionID", collectionID),
+							zap.Any("partitionID", partitionID),
+							zap.Any("segmentID", segmentID),
+							zap.Any("channel", segmentInfo.ChannelID),
+						)
+						baseTask := newBaseTask(qc.loopCtx, querypb.TriggerCondition_handoff)
+						handoffReq := &querypb.HandoffSegmentsRequest{
+							Base: &commonpb.MsgBase{
+								MsgType: commonpb.MsgType_HandoffSegments,
+							},
+							SegmentInfos: []*querypb.SegmentInfo{segmentInfo},
+						}
+						handoffTask := &handoffTask{
+							baseTask:               baseTask,
+							HandoffSegmentsRequest: handoffReq,
+							dataCoord:              qc.dataCoordClient,
+							cluster:                qc.cluster,
+							meta:                   qc.meta,
+						}
+						err = qc.scheduler.Enqueue(handoffTask)
+						if err != nil {
+							log.Error("watchHandoffSegmentLoop: handoffTask enqueue failed", zap.Error(err))
+							break
+						}
+
+						go func() {
+							err := handoffTask.waitToFinish()
+							if err != nil {
+								log.Error("watchHandoffSegmentLoop: handoffTask failed", zap.Error(err))
+							}
+						}()
+
+						log.Debug("watchHandoffSegmentLoop: handoffTask completed",
+							zap.Any("collectionID", collectionID),
+							zap.Any("partitionID", partitionID),
+							zap.Any("segmentID", segmentID),
+							zap.Any("channel", segmentInfo.ChannelID),
+						)
+					}
+
+					buildQuerySegmentPath := fmt.Sprintf("%s/%d/%d/%d", handoffSegmentPrefix, collectionID, partitionID, segmentID)
+					err = qc.kvClient.Remove(buildQuerySegmentPath)
+					if err != nil {
+						log.Error("watchHandoffSegmentLoop: remove handoff segment from etcd failed", zap.Error(err))
+					}
+				default:
+					// do nothing
+				}
+			}
+		}
+	}
+
+}
diff --git a/internal/querycoord/query_coord_test.go b/internal/querycoord/query_coord_test.go
index e7e25f97f5..848228ae66 100644
--- a/internal/querycoord/query_coord_test.go
+++ b/internal/querycoord/query_coord_test.go
@@ -26,6 +26,7 @@ import (
 
 	etcdkv "github.com/milvus-io/milvus/internal/kv/etcd"
 	"github.com/milvus-io/milvus/internal/msgstream"
+	"github.com/milvus-io/milvus/internal/proto/commonpb"
 	"github.com/milvus-io/milvus/internal/proto/querypb"
 	"github.com/milvus-io/milvus/internal/util/sessionutil"
 )
@@ -219,3 +220,162 @@ func TestWatchNodeLoop(t *testing.T) {
 		assert.Nil(t, err)
 	})
 }
+
+func TestHandoffSegmentLoop(t *testing.T) {
+	refreshParams()
+	baseCtx := context.Background()
+
+	queryCoord, err := startQueryCoord(baseCtx)
+	assert.Nil(t, err)
+
+	queryNode1, err := startQueryNodeServer(baseCtx)
+	assert.Nil(t, err)
+	waitQueryNodeOnline(queryCoord.cluster, queryNode1.queryNodeID)
+
+	t.Run("Test watchHandoffLoop", func(t *testing.T) {
+		segmentInfo := &querypb.SegmentInfo{
+			SegmentID:    defaultSegmentID,
+			CollectionID: defaultCollectionID,
+			PartitionID:  defaultPartitionID,
+			SegmentState: querypb.SegmentState_sealed,
+		}
+
+		key := fmt.Sprintf("%s/%d/%d/%d", handoffSegmentPrefix, defaultCollectionID, defaultPartitionID, defaultSegmentID)
+		value, err := proto.Marshal(segmentInfo)
+		assert.Nil(t, err)
+		err = queryCoord.kvClient.Save(key, string(value))
+		assert.Nil(t, err)
+		for {
+			_, err := queryCoord.kvClient.Load(key)
+			if err != nil {
+				break
+			}
+		}
+	})
+
+	loadPartitionTask := genLoadPartitionTask(baseCtx, queryCoord)
+	err = queryCoord.scheduler.Enqueue(loadPartitionTask)
+	assert.Nil(t, err)
+	waitTaskFinalState(loadPartitionTask, taskExpired)
+
+	t.Run("Test partitionNotLoaded", func(t *testing.T) {
+		baseTask := newBaseTask(baseCtx, querypb.TriggerCondition_handoff)
+		segmentInfo := &querypb.SegmentInfo{
+			SegmentID:    defaultSegmentID,
+			CollectionID: defaultCollectionID,
+			PartitionID:  defaultPartitionID + 1,
+			SegmentState: querypb.SegmentState_sealed,
+		}
+		handoffReq := &querypb.HandoffSegmentsRequest{
+			Base: &commonpb.MsgBase{
+				MsgType: commonpb.MsgType_HandoffSegments,
+			},
+			SegmentInfos: []*querypb.SegmentInfo{segmentInfo},
+		}
+		handoffTask := &handoffTask{
+			baseTask:               baseTask,
+			HandoffSegmentsRequest: handoffReq,
+			dataCoord:              queryCoord.dataCoordClient,
+			cluster:                queryCoord.cluster,
+			meta:                   queryCoord.meta,
+		}
+		err = queryCoord.scheduler.Enqueue(handoffTask)
+		assert.Nil(t, err)
+
+		waitTaskFinalState(handoffTask, taskExpired)
+	})
+
+	loadCollectionTask := genLoadCollectionTask(baseCtx, queryCoord)
+	err = queryCoord.scheduler.Enqueue(loadCollectionTask)
+	assert.Nil(t, err)
+	waitTaskFinalState(loadCollectionTask, taskExpired)
+
+	t.Run("Test handoffGrowingSegment", func(t *testing.T) {
+		infos := queryCoord.meta.showSegmentInfos(defaultCollectionID, nil)
+		assert.NotEqual(t, 0, len(infos))
+		segmentID := defaultSegmentID + 4
+		baseTask := newBaseTask(baseCtx, querypb.TriggerCondition_handoff)
+
+		segmentInfo := &querypb.SegmentInfo{
+			SegmentID:    segmentID,
+			CollectionID: defaultCollectionID,
+			PartitionID:  defaultPartitionID + 2,
+			SegmentState: querypb.SegmentState_sealed,
+		}
+		handoffReq := &querypb.HandoffSegmentsRequest{
+			Base: &commonpb.MsgBase{
+				MsgType: commonpb.MsgType_HandoffSegments,
+			},
+			SegmentInfos: []*querypb.SegmentInfo{segmentInfo},
+		}
+		handoffTask := &handoffTask{
+			baseTask:               baseTask,
+			HandoffSegmentsRequest: handoffReq,
+			dataCoord:              queryCoord.dataCoordClient,
+			cluster:                queryCoord.cluster,
+			meta:                   queryCoord.meta,
+		}
+		err = queryCoord.scheduler.Enqueue(handoffTask)
+		assert.Nil(t, err)
+
+		waitTaskFinalState(handoffTask, taskExpired)
+	})
+
+	t.Run("Test binlogNotExist", func(t *testing.T) {
+		baseTask := newBaseTask(baseCtx, querypb.TriggerCondition_handoff)
+		segmentInfo := &querypb.SegmentInfo{
+			SegmentID:    defaultSegmentID + 100,
+			CollectionID: defaultCollectionID,
+			PartitionID:  defaultPartitionID,
+			SegmentState: querypb.SegmentState_sealed,
+		}
+		handoffReq := &querypb.HandoffSegmentsRequest{
+			Base: &commonpb.MsgBase{
+				MsgType: commonpb.MsgType_HandoffSegments,
+			},
+			SegmentInfos: []*querypb.SegmentInfo{segmentInfo},
+		}
+		handoffTask := &handoffTask{
+			baseTask:               baseTask,
+			HandoffSegmentsRequest: handoffReq,
+			dataCoord:              queryCoord.dataCoordClient,
+			cluster:                queryCoord.cluster,
+			meta:                   queryCoord.meta,
+		}
+		err = queryCoord.scheduler.Enqueue(handoffTask)
+		assert.Nil(t, err)
+
+		waitTaskFinalState(handoffTask, taskFailed)
+	})
+
+	t.Run("Test sealedSegmentExist", func(t *testing.T) {
+		baseTask := newBaseTask(baseCtx, querypb.TriggerCondition_handoff)
+		segmentInfo := &querypb.SegmentInfo{
+			SegmentID:    defaultSegmentID,
+			CollectionID: defaultCollectionID,
+			PartitionID:  defaultPartitionID,
+			SegmentState: querypb.SegmentState_sealed,
+		}
+		handoffReq := &querypb.HandoffSegmentsRequest{
+			Base: &commonpb.MsgBase{
+				MsgType: commonpb.MsgType_HandoffSegments,
+			},
+			SegmentInfos: []*querypb.SegmentInfo{segmentInfo},
+		}
+		handoffTask := &handoffTask{
+			baseTask:               baseTask,
+			HandoffSegmentsRequest: handoffReq,
+			dataCoord:              queryCoord.dataCoordClient,
+			cluster:                queryCoord.cluster,
+			meta:                   queryCoord.meta,
+		}
+		err = queryCoord.scheduler.Enqueue(handoffTask)
+		assert.Nil(t, err)
+
+		waitTaskFinalState(handoffTask, taskFailed)
+	})
+
+	queryCoord.Stop()
+	err = removeAllSession()
+	assert.Nil(t, err)
+}
diff --git a/internal/querycoord/task.go b/internal/querycoord/task.go
index fdc7354d16..7afabb91b0 100644
--- a/internal/querycoord/task.go
+++ b/internal/querycoord/task.go
@@ -1378,7 +1378,152 @@ func (wqt *watchQueryChannelTask) postExecute(context.Context) error {
 	return nil
 }
 
+//****************************handoff task********************************//
 type handoffTask struct {
+	*baseTask
+	*querypb.HandoffSegmentsRequest
+	dataCoord types.DataCoord
+	cluster   Cluster
+	meta      Meta
+}
+
+func (ht *handoffTask) msgBase() *commonpb.MsgBase {
+	return ht.Base
+}
+
+func (ht *handoffTask) marshal() ([]byte, error) {
+	return proto.Marshal(ht.HandoffSegmentsRequest)
+}
+
+func (ht *handoffTask) msgType() commonpb.MsgType {
+	return ht.Base.MsgType
+}
+
+func (ht *handoffTask) timestamp() Timestamp {
+	return ht.Base.Timestamp
+}
+
+func (ht *handoffTask) preExecute(context.Context) error {
+	ht.setResultInfo(nil)
+	segmentIDs := make([]UniqueID, 0)
+	segmentInfos := ht.HandoffSegmentsRequest.SegmentInfos
+	for _, info := range segmentInfos {
+		segmentIDs = append(segmentIDs, info.SegmentID)
+	}
+	log.Debug("start do handoff segments task",
+		zap.Int64s("segmentIDs", segmentIDs))
+	return nil
+}
+
+func (ht *handoffTask) execute(ctx context.Context) error {
+	segmentInfos := ht.HandoffSegmentsRequest.SegmentInfos
+	for _, segmentInfo := range segmentInfos {
+		collectionID := segmentInfo.CollectionID
+		partitionID := segmentInfo.PartitionID
+		segmentID := segmentInfo.SegmentID
+
+		collectionInfo, err := ht.meta.getCollectionInfoByID(collectionID)
+		if err != nil {
+			log.Debug("handoffTask: collection has not been loaded into memory", zap.Int64("collectionID", collectionID), zap.Int64("segmentID", segmentID))
+			continue
+		}
+
+		partitionLoaded := false
+		for _, id := range collectionInfo.PartitionIDs {
+			if id == partitionID {
+				partitionLoaded = true
+			}
+		}
+
+		if collectionInfo.LoadType != querypb.LoadType_loadCollection && !partitionLoaded {
+			log.Debug("handoffTask: partition has not been loaded into memory", zap.Int64("collectionID", collectionID), zap.Int64("partitionID", partitionID), zap.Int64("segmentID", segmentID))
+			continue
+		}
+
+		_, err = ht.meta.getSegmentInfoByID(segmentID)
+		if err != nil {
+			getRecoveryInfoRequest := &datapb.GetRecoveryInfoRequest{
+				Base:         ht.Base,
+				CollectionID: collectionID,
+				PartitionID:  partitionID,
+			}
+			recoveryInfo, err := ht.dataCoord.GetRecoveryInfo(ctx, getRecoveryInfoRequest)
+			if err != nil {
+				ht.setResultInfo(err)
+				return err
+			}
+
+			findBinlog := false
+			var loadSegmentReq *querypb.LoadSegmentsRequest
+			for _, segmentBinlogs := range recoveryInfo.Binlogs {
+				if segmentBinlogs.SegmentID == segmentID {
+					findBinlog = true
+					segmentLoadInfo := &querypb.SegmentLoadInfo{
+						SegmentID:    segmentID,
+						PartitionID:  partitionID,
+						CollectionID: collectionID,
+						BinlogPaths:  segmentBinlogs.FieldBinlogs,
+						NumOfRows:    segmentBinlogs.NumOfRows,
+					}
+
+					msgBase := proto.Clone(ht.Base).(*commonpb.MsgBase)
+					msgBase.MsgType = commonpb.MsgType_LoadSegments
+					loadSegmentReq = &querypb.LoadSegmentsRequest{
+						Base:          msgBase,
+						Infos:         []*querypb.SegmentLoadInfo{segmentLoadInfo},
+						Schema:        collectionInfo.Schema,
+						LoadCondition: querypb.TriggerCondition_handoff,
+					}
+				}
+			}
+
+			if !findBinlog {
+				err = fmt.Errorf("segmnet has not been flushed, segmentID is %d", segmentID)
+				ht.setResultInfo(err)
+				return err
+			}
+			err = assignInternalTask(ctx, collectionID, ht, ht.meta, ht.cluster, []*querypb.LoadSegmentsRequest{loadSegmentReq}, nil, true)
+			if err != nil {
+				log.Error("handoffTask: assign child task failed", zap.Any("segmentInfo", segmentInfo))
+				ht.setResultInfo(err)
+				return err
+			}
+		} else {
+			err = fmt.Errorf("sealed segment has been exist on query node, segmentID is %d", segmentID)
+			log.Error("handoffTask: sealed segment has been exist on query node", zap.Int64("segmentID", segmentID))
+			ht.setResultInfo(err)
+			return err
+		}
+	}
+
+	log.Debug("handoffTask: assign child task done", zap.Any("segmentInfos", segmentInfos))
+
+	log.Debug("handoffTask Execute done",
+		zap.Int64("taskID", ht.getTaskID()))
+	return nil
+}
+
+func (ht *handoffTask) postExecute(context.Context) error {
+	if ht.result.ErrorCode != commonpb.ErrorCode_Success {
+		ht.childTasks = []task{}
+	}
+
+	log.Debug("handoffTask postExecute done",
+		zap.Int64("taskID", ht.getTaskID()))
+
+	return nil
+}
+
+func (ht *handoffTask) rollBack(ctx context.Context) []task {
+	resultTasks := make([]task, 0)
+	childTasks := ht.getChildTask()
+	for _, childTask := range childTasks {
+		if childTask.msgType() == commonpb.MsgType_LoadSegments {
+			// TODO:: add release segment to rollBack, no release does not affect correctness of query
+		}
+	}
+
+	return resultTasks
 }
 
 type loadBalanceTask struct {
diff --git a/internal/querycoord/task_scheduler.go b/internal/querycoord/task_scheduler.go
index 1136174015..8cdbbe0ee7 100644
--- a/internal/querycoord/task_scheduler.go
+++ b/internal/querycoord/task_scheduler.go
@@ -387,6 +387,20 @@ func (scheduler *TaskScheduler) unmarshalTask(taskID UniqueID, t string) (task,
 			meta:               scheduler.meta,
 		}
 		newTask = loadBalanceTask
+	case commonpb.MsgType_HandoffSegments:
+		handoffReq := querypb.HandoffSegmentsRequest{}
+		err = proto.Unmarshal([]byte(t), &handoffReq)
+		if err != nil {
+			return nil, err
+		}
+		handoffTask := &handoffTask{
+			baseTask:               baseTask,
+			HandoffSegmentsRequest: &handoffReq,
+			dataCoord:              scheduler.dataCoord,
+			cluster:                scheduler.cluster,
+			meta:                   scheduler.meta,
+		}
+		newTask = handoffTask
 	default:
 		err = errors.New("inValid msg type when unMarshal task")
 		log.Error(err.Error())
diff --git a/internal/querycoord/task_scheduler_test.go b/internal/querycoord/task_scheduler_test.go
index 3a00de5b37..71861f930f 100644
--- a/internal/querycoord/task_scheduler_test.go
+++ b/internal/querycoord/task_scheduler_test.go
@@ -398,6 +398,28 @@ func TestUnMarshalTask(t *testing.T) {
 		assert.Equal(t, task.msgType(), commonpb.MsgType_LoadBalanceSegments)
 	})
 
+	t.Run("Test handoffTask", func(t *testing.T) {
+		handoffTask := &handoffTask{
+			HandoffSegmentsRequest: &querypb.HandoffSegmentsRequest{
+				Base: &commonpb.MsgBase{
+					MsgType: commonpb.MsgType_HandoffSegments,
+				},
+			},
+		}
+
+		blobs, err := handoffTask.marshal()
+		assert.Nil(t, err)
+		err = kv.Save("testMarshalHandoffTask", string(blobs))
+		assert.Nil(t, err)
+		defer kv.RemoveWithPrefix("testMarshalHandoffTask")
+		value, err := kv.Load("testMarshalHandoffTask")
+		assert.Nil(t, err)
+
+		task, err := taskScheduler.unmarshalTask(1008, value)
+		assert.Nil(t, err)
+		assert.Equal(t, task.msgType(), commonpb.MsgType_HandoffSegments)
+	})
+
 	taskScheduler.Close()
 }
 
diff --git a/internal/querycoord/task_test.go b/internal/querycoord/task_test.go
index 695048d77b..8cfe46ac15 100644
--- a/internal/querycoord/task_test.go
+++ b/internal/querycoord/task_test.go
@@ -737,3 +737,54 @@ func Test_reverseSealedSegmentChangeInfo(t *testing.T) {
 	err = removeAllSession()
 	assert.Nil(t, err)
 }
+
+func Test_handoffSegmentFail(t *testing.T) {
+	refreshParams()
+	ctx := context.Background()
+	queryCoord, err := startQueryCoord(ctx)
+	assert.Nil(t, err)
+
+	node1, err := startQueryNodeServer(ctx)
+	assert.Nil(t, err)
+	waitQueryNodeOnline(queryCoord.cluster, node1.queryNodeID)
+
+	loadCollectionTask := genLoadCollectionTask(ctx, queryCoord)
+	err = queryCoord.scheduler.Enqueue(loadCollectionTask)
+	assert.Nil(t, err)
+	waitTaskFinalState(loadCollectionTask, taskExpired)
+
+	node1.loadSegment = returnFailedResult
+
+	infos := queryCoord.meta.showSegmentInfos(defaultCollectionID, nil)
+	assert.NotEqual(t, 0, len(infos))
+	segmentID := defaultSegmentID + 4
+	baseTask := newBaseTask(ctx, querypb.TriggerCondition_handoff)
+
+	segmentInfo := &querypb.SegmentInfo{
+		SegmentID:    segmentID,
+		CollectionID: defaultCollectionID,
+		PartitionID:  defaultPartitionID + 2,
+		SegmentState: querypb.SegmentState_sealed,
+	}
+	handoffReq := &querypb.HandoffSegmentsRequest{
+		Base: &commonpb.MsgBase{
+			MsgType: commonpb.MsgType_HandoffSegments,
+		},
+		SegmentInfos: []*querypb.SegmentInfo{segmentInfo},
+	}
+	handoffTask := &handoffTask{
+		baseTask:               baseTask,
+		HandoffSegmentsRequest: handoffReq,
+		dataCoord:              queryCoord.dataCoordClient,
+		cluster:                queryCoord.cluster,
+		meta:                   queryCoord.meta,
+	}
+	err = queryCoord.scheduler.Enqueue(handoffTask)
+	assert.Nil(t, err)
+
+	waitTaskFinalState(handoffTask, taskFailed)
+
+	queryCoord.Stop()
+	err = removeAllSession()
+	assert.Nil(t, err)
+}