diff --git a/pkg/apis/policy/v1alpha1/well_known_labels.go b/pkg/apis/policy/v1alpha1/well_known_constants.go
similarity index 100%
rename from pkg/apis/policy/v1alpha1/well_known_labels.go
rename to pkg/apis/policy/v1alpha1/well_known_constants.go
diff --git a/pkg/apis/work/v1alpha1/well_known_labels.go b/pkg/apis/work/v1alpha1/well_known_constants.go
similarity index 100%
rename from pkg/apis/work/v1alpha1/well_known_labels.go
rename to pkg/apis/work/v1alpha1/well_known_constants.go
diff --git a/pkg/apis/work/v1alpha2/well_known_labels.go b/pkg/apis/work/v1alpha2/well_known_constants.go
similarity index 66%
rename from pkg/apis/work/v1alpha2/well_known_labels.go
rename to pkg/apis/work/v1alpha2/well_known_constants.go
index 44b1df42f..902856fe3 100644
--- a/pkg/apis/work/v1alpha2/well_known_labels.go
+++ b/pkg/apis/work/v1alpha2/well_known_constants.go
@@ -11,14 +11,23 @@ const (
 	// It will be used to retrieve all Works objects that derived by a specific ClusterResourceBinding object.
 	ClusterResourceBindingReferenceKey = "clusterresourcebinding.karmada.io/key"
 
-	// ResourceBindingNamespaceLabel is added to objects to specify associated ResourceBinding's namespace.
-	ResourceBindingNamespaceLabel = "resourcebinding.karmada.io/namespace"
+	// ResourceBindingNamespaceAnnotationKey is added to object to describe the associated ResourceBinding's namespace.
+	// It is added to:
+	// - Work object: describes the namespace of ResourceBinding which the Work derived from.
+	// - Manifest in Work object: describes the namespace of ResourceBinding which the manifest derived from.
+	ResourceBindingNamespaceAnnotationKey = "resourcebinding.karmada.io/namespace"
 
-	// ResourceBindingNameLabel is added to objects to specify associated ResourceBinding's name.
-	ResourceBindingNameLabel = "resourcebinding.karmada.io/name"
+	// ResourceBindingNameAnnotationKey is added to object to describe the associated ResourceBinding's name.
+	// It is added to:
+	// - Work object: describes the name of ResourceBinding which the Work derived from.
+	// - Manifest in Work object: describes the name of ResourceBinding which the manifest derived from.
+	ResourceBindingNameAnnotationKey = "resourcebinding.karmada.io/name"
 
-	// ClusterResourceBindingLabel is added to objects to specify associated ClusterResourceBinding.
-	ClusterResourceBindingLabel = "clusterresourcebinding.karmada.io/name"
+	// ClusterResourceBindingAnnotationKey is added to object to describe associated ClusterResourceBinding's name.
+	// It is added to:
+	// - Work object: describes the name of ClusterResourceBinding which the Work derived from.
+	// - Manifest in Work object: describes the name of ClusterResourceBinding which the manifest derived from.
+	ClusterResourceBindingAnnotationKey = "clusterresourcebinding.karmada.io/name"
 
 	// WorkNamespaceLabel is added to objects to specify associated Work's namespace.
 	WorkNamespaceLabel = "work.karmada.io/namespace"
diff --git a/pkg/controllers/binding/binding_controller.go b/pkg/controllers/binding/binding_controller.go
index 7741c5c1c..e3c904674 100644
--- a/pkg/controllers/binding/binding_controller.go
+++ b/pkg/controllers/binding/binding_controller.go
@@ -208,8 +208,8 @@ func (c *ResourceBindingController) SetupWithManager(mgr controllerruntime.Manag
 		func(a client.Object) []reconcile.Request {
 			var requests []reconcile.Request
 			annotations := a.GetAnnotations()
-			crNamespace, namespaceExist := annotations[workv1alpha2.ResourceBindingNamespaceLabel]
-			crName, nameExist := annotations[workv1alpha2.ResourceBindingNameLabel]
+			crNamespace, namespaceExist := annotations[workv1alpha2.ResourceBindingNamespaceAnnotationKey]
+			crName, nameExist := annotations[workv1alpha2.ResourceBindingNameAnnotationKey]
 			if namespaceExist && nameExist {
 				requests = append(requests, reconcile.Request{
 					NamespacedName: types.NamespacedName{
diff --git a/pkg/controllers/binding/cluster_resource_binding_controller.go b/pkg/controllers/binding/cluster_resource_binding_controller.go
index 14c34e259..93716502d 100644
--- a/pkg/controllers/binding/cluster_resource_binding_controller.go
+++ b/pkg/controllers/binding/cluster_resource_binding_controller.go
@@ -151,7 +151,7 @@ func (c *ClusterResourceBindingController) SetupWithManager(mgr controllerruntim
 		func(a client.Object) []reconcile.Request {
 			var requests []reconcile.Request
 			annotations := a.GetAnnotations()
-			crbName, nameExist := annotations[workv1alpha2.ClusterResourceBindingLabel]
+			crbName, nameExist := annotations[workv1alpha2.ClusterResourceBindingAnnotationKey]
 			if nameExist {
 				requests = append(requests, reconcile.Request{
 					NamespacedName: types.NamespacedName{
diff --git a/pkg/controllers/binding/common.go b/pkg/controllers/binding/common.go
index 470a15899..aefcce21b 100644
--- a/pkg/controllers/binding/common.go
+++ b/pkg/controllers/binding/common.go
@@ -198,13 +198,13 @@ func mergeLabel(workload *unstructured.Unstructured, workNamespace string, bindi
 func mergeAnnotations(workload *unstructured.Unstructured, binding metav1.Object, scope apiextensionsv1.ResourceScope) map[string]string {
 	annotations := make(map[string]string)
 	if scope == apiextensionsv1.NamespaceScoped {
-		util.MergeAnnotation(workload, workv1alpha2.ResourceBindingNamespaceLabel, binding.GetNamespace())
-		util.MergeAnnotation(workload, workv1alpha2.ResourceBindingNameLabel, binding.GetName())
-		annotations[workv1alpha2.ResourceBindingNamespaceLabel] = binding.GetNamespace()
-		annotations[workv1alpha2.ResourceBindingNameLabel] = binding.GetName()
+		util.MergeAnnotation(workload, workv1alpha2.ResourceBindingNamespaceAnnotationKey, binding.GetNamespace())
+		util.MergeAnnotation(workload, workv1alpha2.ResourceBindingNameAnnotationKey, binding.GetName())
+		annotations[workv1alpha2.ResourceBindingNamespaceAnnotationKey] = binding.GetNamespace()
+		annotations[workv1alpha2.ResourceBindingNameAnnotationKey] = binding.GetName()
 	} else {
-		util.MergeAnnotation(workload, workv1alpha2.ClusterResourceBindingLabel, binding.GetName())
-		annotations[workv1alpha2.ClusterResourceBindingLabel] = binding.GetName()
+		util.MergeAnnotation(workload, workv1alpha2.ClusterResourceBindingAnnotationKey, binding.GetName())
+		annotations[workv1alpha2.ClusterResourceBindingAnnotationKey] = binding.GetName()
 	}
 
 	return annotations