There are three propaganda departments in Tubo land under the jurisdiction of Xuanzhengyuan. After the Yuan Dynasty unified Tibetan areas, it helped the Sakya Sect to establish local political power and set up a series of military and political institutions on the Qinghai-Tibet Plateau.

By the middle of Yuan Dynasty, the whole Qinghai-Tibet Plateau was divided into three administrative regions: Duosima Xuanwei Division, Duogansi Xuanwei Division and Uscang Xuanwei Division. 3. Xuanwei Department is responsible for military and political affairs in border minority areas, and is subordinate to Xuanzheng Academy and local administrative agencies.

Historical evaluation of Yuan.

Chen Qingying, a Tibetan scholar: The Academy is a permanent central management institution, which was set up by the Yuan Dynasty in the central government to take charge of national Buddhist affairs and military and civilian affairs in Tibetan areas. Because of its particularity, it became one of the four military and political systems in employing people and handling affairs, which was unprecedented before the Yuan Dynasty.

Zhang Yun, Director of the Institute of History of China Tibetology Research Center: Zheng Xuan Academy and its predecessor General Institute, inherited by Tang Qiqing. It also has its own characteristics in the Tibetan-governing institutions of the central governments in past dynasties, which is worthy of further study.