diff --git a/venus-worker/cleanup_orphan.sh b/venus-worker/cleanup_orphan.sh
new file mode 100755
index 00000000..f7939e53
--- /dev/null
+++ b/venus-worker/cleanup_orphan.sh
@@ -0,0 +1,7 @@
+prefix="/sys/fs/cgroup/cpuset/"
+for orphan in `ls -d ${prefix}vc-worker/sub-*/`
+do
+	group=${orphan/#$prefix}
+	echo "rm orphan group ${group}"
+	cgdelete cpuset:${group}
+done