Yanshengguan is located about3.5 kilometers west of the building Guantai, Zhouzhi County, Xi'an City, Shaanxi Province. It was once called Yuzhenguan and Yuzhenguan. It was built in the Tang Dynasty. It is the place where Tang Xuanzong Li Longji's sister, Princess Yuzhen, is known as Yanshengguan. The scenic spot is large in scale, and the main hall is built on a high place with a grandeur.