It is a provincial-level cultural relic protection unit with a history of more than 1100 years. It is the collective name of the three monasteries of Zhaananjie Temple, Nanzong Nun Temple and Nanzong Temple. It belongs to the Ningma Monastery of Tibetan Buddhism, and is the birthplace of The Later Hong Period of Tibetan Buddhism, as well as a rare religious holy land of Tibetan Buddhism where "manifestation, density, monks and Nuns" coexist.