Dabao Ensi Site Park is located outside the Zhonghua Gate of Nanjing City. It was repaired in December 177. Changganli is a Buddhist holy place in the south of the Yangtze River, known as "Buddha Li". From the beginning of the Jianchu Temple in the Eastern Wu Dynasty, Changgan Temple in the Jin Dynasty succeeded and became famous for offering sacrifices. Changgan Temple was revived in the early Song Dynasty, and later renamed Tianxi Temple. It offered sacrifices to Buddha's true parietal bones, inspired parietal bones, sacrifices of all saints and Master Xuanzang's parietal bones. During the Mingle Dynasty, Dabao En Temple, a royal temple, was built to expand its old site and spend the previous generations in Vietnam. Especially the glass tower with its huge structure and magnificent southeast, has long been regarded as a symbol of Chinese architecture by the West. During the Taiping Heavenly Kingdom, unfortunately, it was destroyed by war.