diff --git a/data/category-ads b/data/category-ads
new file mode 100644
index 00000000..feb0e79f
--- /dev/null
+++ b/data/category-ads
@@ -0,0 +1,15 @@
+# This file contains domains that clearly serving ads
+
+include:alibaba-ads
+include:baidu-ads
+include:google-ads
+include:hunantv-ads
+include:iqiyi-ads
+include:jd-ads
+include:letv-ads
+include:sina-ads
+include:youku-ads
+
+
+# Other domains for ads serving
+ad.wang502.com