diff --git a/.changelog/2806.txt b/.changelog/2806.txt
new file mode 100644
index 0000000000..cb6dfd7765
--- /dev/null
+++ b/.changelog/2806.txt
@@ -0,0 +1,3 @@
+```release-note:enhancement
+resource/tencentcloud_clb_attachment: support `SRV` type
+```
diff --git a/tencentcloud/services/clb/extension_clb.go b/tencentcloud/services/clb/extension_clb.go
index a80b5f2e92..2eedc1f678 100644
--- a/tencentcloud/services/clb/extension_clb.go
+++ b/tencentcloud/services/clb/extension_clb.go
@@ -136,6 +136,7 @@ const (
 	CLB_BACKEND_TYPE_ENI = "ENI"
 	CLB_BACKEND_TYPE_NAT = "NAT"
 	CLB_BACKEND_TYPE_CCN = "CCN"
+	CLB_BACKEND_TYPE_SRV = "SRV"
 )
 
 const (
diff --git a/tencentcloud/services/clb/resource_tc_clb_attachment.go b/tencentcloud/services/clb/resource_tc_clb_attachment.go
index 354256c3ad..35ac0e9755 100644
--- a/tencentcloud/services/clb/resource_tc_clb_attachment.go
+++ b/tencentcloud/services/clb/resource_tc_clb_attachment.go
@@ -293,7 +293,8 @@ func resourceTencentCloudClbServerAttachmentRead(d *schema.ResourceData, meta in
 			}
 
 			targets = append(targets, target)
-		} else if *onlineTarget.Type == CLB_BACKEND_TYPE_ENI || *onlineTarget.Type == CLB_BACKEND_TYPE_NAT || *onlineTarget.Type == CLB_BACKEND_TYPE_CCN {
+		} else if *onlineTarget.Type == CLB_BACKEND_TYPE_ENI || *onlineTarget.Type == CLB_BACKEND_TYPE_NAT ||
+			*onlineTarget.Type == CLB_BACKEND_TYPE_CCN || *onlineTarget.Type == CLB_BACKEND_TYPE_SRV {
 			target := map[string]interface{}{
 				"weight": int(*onlineTarget.Weight),
 				"port":   int(*onlineTarget.Port),
@@ -306,21 +307,6 @@ func resourceTencentCloudClbServerAttachmentRead(d *schema.ResourceData, meta in
 
 	_ = d.Set("targets", targets)
 
-	err = resource.Retry(tccommon.ReadRetryTimeout, func() *resource.RetryError {
-		result, e := clbService.DescribeTargetsByPara(ctx, clbId, listenerId, locationId)
-		if e != nil {
-			return tccommon.RetryError(e)
-		}
-
-		instance = result
-		return nil
-	})
-
-	if err != nil {
-		log.Printf("[CRITAL]%s read CLB attachment tag failed, reason:%+v", logId, err)
-		return err
-	}
-
 	return nil
 }