diff --git a/check_ad_config.sh b/check_ad_config.sh
new file mode 100644
index 0000000000000000000000000000000000000000..47475e7943d2f4c9e636776edd4c3c3137e1690c
--- /dev/null
+++ b/check_ad_config.sh
@@ -0,0 +1,15 @@
+#!/bin/bash
+
+cat /opt/exagear/images/*/.exagear/vpaths-list |grep "/var/lib/nss/"
+if [ $? -ne 0 ];then
+    echo "AD file not exist in Exagear."
+    echo "please add /var/lib/nss/ to /opt/exagear/images/centos-8-x86_64/.exagear/vpaths-list"
+    echo "echo "/var/lib/nss/" >> /opt/exagear/images/centos-8-x86_64/.exagear/vpaths-list"
+    exit 1
+fi
+
+# switch to AD user
+exagear -- id
+if [ $? -eq 0 ];then
+    echo "AD config successfully"
+fi