diff --git a/pkg/cloudprovider/resources.go b/pkg/cloudprovider/resources.go
index d4165a87c7..4fe2fcf682 100644
--- a/pkg/cloudprovider/resources.go
+++ b/pkg/cloudprovider/resources.go
@@ -248,6 +248,8 @@ type ICloudHost interface {
 
 	CreateVM(desc *SManagedVMCreateConfig) (ICloudVM, error)
 	GetIHostNics() ([]ICloudHostNetInterface, error)
+
+	GetSchedtags() ([]string, error)
 }
 
 type ICloudVM interface {
diff --git a/pkg/compute/models/hosts.go b/pkg/compute/models/hosts.go
index 756b6846f9..698706c58c 100644
--- a/pkg/compute/models/hosts.go
+++ b/pkg/compute/models/hosts.go
@@ -33,6 +33,7 @@ import (
 	"yunion.io/x/pkg/util/fileutils"
 	"yunion.io/x/pkg/util/netutils"
 	"yunion.io/x/pkg/util/regutils"
+	"yunion.io/x/pkg/util/sets"
 	"yunion.io/x/pkg/utils"
 	"yunion.io/x/sqlchemy"
 
@@ -1735,6 +1736,11 @@ func (self *SHost) syncWithCloudHost(ctx context.Context, userCred mcclient.Toke
 		self.SyncShareState(ctx, userCred, provider.getAccountShareInfo())
 	}
 
+	if err := self.syncSchedtags(ctx, userCred, extHost); err != nil {
+		log.Errorf("syncSchedtags fail:  %v", err)
+		return err
+	}
+
 	if err := HostManager.ClearSchedDescCache(self.Id); err != nil {
 		log.Errorf("ClearSchedDescCache for host %s error %v", self.Name, err)
 	}
@@ -1766,6 +1772,102 @@ func (self *SHost) syncWithCloudPrepaidVM(extVM cloudprovider.ICloudVM, host *SH
 	return err
 }
 
+var (
+	METADATA_EXT_SCHEDTAG_KEY   = "ext:schedtag"
+	METADATA_EXT_SCHEDTAG_VALUE = "yes"
+)
+
+func (s *SHost) syncSchedtags(ctx context.Context, userCred mcclient.TokenCredential, extHost cloudprovider.ICloudHost) error {
+	stq := SchedtagManager.Query()
+	subq := HostschedtagManager.Query("schedtag_id").Equals("host_id", s.Id).SubQuery()
+	stq = stq.Join(subq, sqlchemy.Equals(stq.Field("id"), subq.Field("schedtag_id")))
+	schedtags := make([]SSchedtag, 0)
+	err := db.FetchModelObjects(SchedtagManager, stq, &schedtags)
+	if err != nil {
+		return errors.Wrap(err, "db.FetchModelObjects")
+	}
+	extSchedtagStrs, err := extHost.GetSchedtags()
+	if err != nil {
+		return errors.Wrap(err, "extHost.GetSchedtags")
+	}
+	extStStrSet := sets.NewString(extSchedtagStrs...)
+	removed := make([]*SSchedtag, 0)
+	removedIds := make([]string, 0)
+	for i := range schedtags {
+		stag := &schedtags[i]
+		if v := stag.GetMetadata(METADATA_EXT_SCHEDTAG_KEY, userCred); v != METADATA_EXT_SCHEDTAG_VALUE {
+			continue
+		}
+		if !extStStrSet.Has(stag.GetName()) {
+			removed = append(removed, stag)
+			removedIds = append(removedIds, stag.GetId())
+		} else {
+			extStStrSet.Delete(stag.GetName())
+		}
+	}
+	added := extStStrSet.UnsortedList()
+
+	for _, stStr := range added {
+		st := &SSchedtag{
+			ResourceType: HostManager.KeywordPlural(),
+		}
+		st.DomainId = s.DomainId
+		st.Name = stStr
+		st.Description = "Sync from cloud"
+		err := SchedtagManager.TableSpec().Insert(ctx, st)
+		if err != nil {
+			return errors.Wrapf(err, "unable to create schedtag %q", stStr)
+		}
+		st.SetModelManager(SchedtagManager, st)
+		st.SetMetadata(ctx, METADATA_EXT_SCHEDTAG_KEY, METADATA_EXT_SCHEDTAG_VALUE, userCred)
+		// attach
+		hostschedtag := &SHostschedtag{
+			HostId: s.GetId(),
+		}
+		hostschedtag.SchedtagId = st.GetId()
+		err = HostschedtagManager.TableSpec().Insert(ctx, hostschedtag)
+		if err != nil {
+			return errors.Wrapf(err, "unable to create hostschedtag for tag %q host %q", stStr, s.GetId())
+		}
+	}
+
+	if len(removedIds) == 0 {
+		return nil
+	}
+
+	q := HostschedtagManager.Query().Equals("host_id", s.GetId()).In("schedtag_id", removedIds)
+	hostschedtags := make([]SHostschedtag, 0, len(removedIds))
+	err = db.FetchModelObjects(HostschedtagManager, q, &hostschedtags)
+	if err != nil {
+		return errors.Wrap(err, "db.FetchModelObject")
+	}
+	for i := range hostschedtags {
+		err = hostschedtags[i].Detach(ctx, userCred)
+		if err != nil {
+			return errors.Wrapf(err, "unable to detach host %q and schedtag %q", hostschedtags[i].HostId, hostschedtags[i].SchedtagId)
+		}
+	}
+
+	// try to clean
+	for _, tag := range removed {
+		cnt, err := tag.GetObjectCount()
+		if err != nil {
+			log.Errorf("unable to GetObjectCount for schedtag %q: %v", tag.GetName(), err)
+			continue
+		}
+		if cnt > 0 {
+			continue
+		}
+		err = tag.Delete(ctx, userCred)
+		if err != nil {
+			log.Errorf("unable to delete schedtag %q: %v", tag.GetName(), err)
+			continue
+		}
+	}
+
+	return nil
+}
+
 func (manager *SHostManager) newFromCloudHost(ctx context.Context, userCred mcclient.TokenCredential, extHost cloudprovider.ICloudHost, provider *SCloudprovider, izone *SZone) (*SHost, error) {
 	host := SHost{}
 	host.SetModelManager(manager, &host)
@@ -1844,6 +1946,11 @@ func (manager *SHostManager) newFromCloudHost(ctx context.Context, userCred mccl
 
 	SyncCloudDomain(userCred, &host, provider.GetOwnerId())
 
+	if err := host.syncSchedtags(ctx, userCred, extHost); err != nil {
+		log.Errorf("newFromCloudHost fail in syncSchedtags %v", err)
+		return nil, err
+	}
+
 	if provider != nil {
 		host.SyncShareState(ctx, userCred, provider.getAccountShareInfo())
 	}
diff --git a/pkg/multicloud/esxi/cluster.go b/pkg/multicloud/esxi/cluster.go
index 93c2dc6045..46de59ed49 100644
--- a/pkg/multicloud/esxi/cluster.go
+++ b/pkg/multicloud/esxi/cluster.go
@@ -104,3 +104,7 @@ func (cluster *SCluster) SyncResourcePool(name string) (*mo.ResourcePool, error)
 	}
 	return cluster.CreateResourcePool(name)
 }
+
+func (cluster *SCluster) getoCluster() *mo.ClusterComputeResource {
+	return cluster.object.(*mo.ClusterComputeResource)
+}
diff --git a/pkg/multicloud/esxi/datacenter.go b/pkg/multicloud/esxi/datacenter.go
index 5ad5e2a536..a910c98797 100644
--- a/pkg/multicloud/esxi/datacenter.go
+++ b/pkg/multicloud/esxi/datacenter.go
@@ -38,6 +38,7 @@ type SDatacenter struct {
 	istorages    []cloudprovider.ICloudStorage
 	inetworks    []IVMNetwork
 	iresoucePool []cloudprovider.ICloudProject
+	clusters     []*SCluster
 
 	Name string
 }
@@ -148,6 +149,9 @@ func (dc *SDatacenter) GetCluster(cluster string) (*SCluster, error) {
 }
 
 func (dc *SDatacenter) listClusters() ([]*SCluster, error) {
+	if dc.clusters != nil {
+		return dc.clusters, nil
+	}
 	clusters := []mo.ClusterComputeResource{}
 	err := dc.manager.scanMObjects(dc.object.Entity().Self, RESOURCEPOOL_PROPS, &clusters)
 	if err != nil {
diff --git a/pkg/multicloud/esxi/host.go b/pkg/multicloud/esxi/host.go
index 6fb41abdfd..2be54d2b15 100644
--- a/pkg/multicloud/esxi/host.go
+++ b/pkg/multicloud/esxi/host.go
@@ -128,6 +128,29 @@ func (self *SHost) GetMetadata() *jsonutils.JSONDict {
 	return nil
 }
 
+func (self *SHost) GetSchedtags() ([]string, error) {
+	clusters, err := self.datacenter.listClusters()
+	if err != nil {
+		return nil, err
+	}
+	reference := self.GetoHostSystem().Reference()
+	tags := make([]string, 0, 1)
+Loop:
+	for i := range clusters {
+		oc := clusters[i].getoCluster()
+		if len(oc.Host) == 0 {
+			continue
+		}
+		for _, h := range oc.Host {
+			if h == reference {
+				tags = append(tags, fmt.Sprintf("cluster:%s", oc.Name))
+				continue Loop
+			}
+		}
+	}
+	return tags, nil
+}
+
 func (self *SHost) getHostSystem() *mo.HostSystem {
 	return self.object.(*mo.HostSystem)
 }
diff --git a/pkg/multicloud/esxi/resourcepool.go b/pkg/multicloud/esxi/resourcepool.go
index 372ddefaba..85fbbfe8ce 100644
--- a/pkg/multicloud/esxi/resourcepool.go
+++ b/pkg/multicloud/esxi/resourcepool.go
@@ -24,7 +24,7 @@ import (
 	"yunion.io/x/onecloud/pkg/multicloud"
 )
 
-var RESOURCEPOOL_PROPS = []string{"name", "parent"}
+var RESOURCEPOOL_PROPS = []string{"name", "parent", "host"}
 
 type SResourcePool struct {
 	multicloud.SResourceBase
diff --git a/pkg/multicloud/host_base.go b/pkg/multicloud/host_base.go
index 214d6d6b45..e7209223b8 100644
--- a/pkg/multicloud/host_base.go
+++ b/pkg/multicloud/host_base.go
@@ -29,3 +29,7 @@ func (self *SHostBase) GetMemCmtbound() float32 {
 func (self *SHostBase) GetReservedMemoryMb() int {
 	return 0
 }
+
+func (self *SHostBase) GetSchedtags() ([]string, error) {
+	return nil, nil
+}