diff --git a/kernel/api/av.go b/kernel/api/av.go
index 88953e6b3..06ded13ee 100644
--- a/kernel/api/av.go
+++ b/kernel/api/av.go
@@ -27,6 +27,29 @@ import (
 	"github.com/siyuan-note/siyuan/kernel/util"
 )
 
+func duplicateAttributeViewBlock(c *gin.Context) {
+	ret := gulu.Ret.NewResult()
+	defer c.JSON(http.StatusOK, ret)
+
+	arg, ok := util.JsonArg(c, ret)
+	if !ok {
+		return
+	}
+	avID := arg["avID"].(string)
+
+	newAvID, newBlockID, err := model.DuplicateDatabaseBlock(avID)
+	if nil != err {
+		ret.Code = -1
+		ret.Msg = err.Error()
+		return
+	}
+
+	ret.Data = map[string]interface{}{
+		"avID":    newAvID,
+		"blockID": newBlockID,
+	}
+}
+
 func getAttributeViewKeysByAvID(c *gin.Context) {
 	ret := gulu.Ret.NewResult()
 	defer c.JSON(http.StatusOK, ret)
diff --git a/kernel/api/router.go b/kernel/api/router.go
index d4e622fa5..2a53c6934 100644
--- a/kernel/api/router.go
+++ b/kernel/api/router.go
@@ -425,6 +425,7 @@ func ServeAPI(ginServer *gin.Engine) {
 	ginServer.Handle("POST", "/api/av/setDatabaseBlockView", model.CheckAuth, model.CheckReadonly, setDatabaseBlockView)
 	ginServer.Handle("POST", "/api/av/getMirrorDatabaseBlocks", model.CheckAuth, model.CheckReadonly, getMirrorDatabaseBlocks)
 	ginServer.Handle("POST", "/api/av/getAttributeViewKeysByAvID", model.CheckAuth, model.CheckReadonly, getAttributeViewKeysByAvID)
+	ginServer.Handle("POST", "/api/av/duplicateAttributeViewBlock", model.CheckAuth, model.CheckReadonly, duplicateAttributeViewBlock)
 
 	ginServer.Handle("POST", "/api/ai/chatGPT", model.CheckAuth, chatGPT)
 	ginServer.Handle("POST", "/api/ai/chatGPTWithAction", model.CheckAuth, chatGPTWithAction)
diff --git a/kernel/model/attribute_view.go b/kernel/model/attribute_view.go
index d7c048c8b..9f564200c 100644
--- a/kernel/model/attribute_view.go
+++ b/kernel/model/attribute_view.go
@@ -41,6 +41,46 @@ import (
 	"github.com/xrash/smetrics"
 )
 
+func DuplicateDatabaseBlock(avID string) (newAvID, newBlockID string, err error) {
+	storageAvDir := filepath.Join(util.DataDir, "storage", "av")
+	oldAvPath := filepath.Join(storageAvDir, avID+".json")
+	newAvID, newBlockID = ast.NewNodeID(), ast.NewNodeID()
+
+	oldAv, err := av.ParseAttributeView(avID)
+	if nil != err {
+		return
+	}
+
+	data, err := filelock.ReadFile(oldAvPath)
+	if nil != err {
+		logging.LogErrorf("read attribute view [%s] failed: %s", avID, err)
+		return
+	}
+
+	data = bytes.ReplaceAll(data, []byte(avID), []byte(newAvID))
+	av.UpsertBlockRel(newAvID, newBlockID)
+
+	newAv := &av.AttributeView{}
+	if err = gulu.JSON.UnmarshalJSON(data, newAv); nil != err {
+		logging.LogErrorf("unmarshal attribute view [%s] failed: %s", newAvID, err)
+		return
+	}
+
+	newAv.Name = oldAv.Name + " (Duplicated " + time.Now().Format("2006-01-02 15:04:05") + ")"
+	data, err = gulu.JSON.MarshalJSON(newAv)
+	if nil != err {
+		logging.LogErrorf("marshal attribute view [%s] failed: %s", newAvID, err)
+		return
+	}
+
+	newAvPath := filepath.Join(storageAvDir, newAvID+".json")
+	if err = filelock.WriteFile(newAvPath, data); nil != err {
+		logging.LogErrorf("write attribute view [%s] failed: %s", newAvID, err)
+		return
+	}
+	return
+}
+
 func GetAttributeViewKeysByAvID(avID string) (ret []*av.Key) {
 	ret = []*av.Key{}