Ma zu was originally a woman with a magical ability of the local, because of her rescue and other peoples and countries continue to show efficacious deeds and spread, Ma zu belief folk naturally formed. But Ma zu belief no fixed doctrine, no proprietary teaching instruments, even without Mission, so some will be virtually religion into their religious deity Matsu. The Ma zu belief should belong to what religion it? There is no paper devoted, Therefore this article attempts from the Ma Zu biography fable story content characteristic, discusses Ma Zu to believe the religious attribute.