diff --git a/operator/README.md b/operator/README.md
index 7e12c61c0..3a1f1851c 100644
--- a/operator/README.md
+++ b/operator/README.md
@@ -136,6 +136,13 @@ It is important to proceed with caution when deleting a Karmada CR due to the po
 kubectl delete karmada karmada-demo -n test
 ```
 
+If you want to delete a Karmada CR without cascading deletion of the associated Karmada instance,
+you can run the following command before performing the deletion operation.
+
+```shell
+kubectl label karmada karmada-demo -n test operator.karmada.io/disable-cascading-deletion=true
+```
+
 ### Custom Karmada CR
 
 This feature allows you to configure the Karmada CR to install Karmada instances flexibly.