Sac Tu was a Buddhist temple that was officially recognized by a royal decree of the Nguyen Dynasty and was written its name in the list of the Ministry of ceremony. Under the Nguyen Dynasty, Sac Tu Buddhist temples were built in many provinces all over the country. At the early stage, only the original and national temples were recognized in Sac Tu pagoda system. Then, the promulgation of a royal decree for a Sac Tu Buddhist temple was easier. All of the Sac Tu Buddhist temples were managed and used by many detail regulations.