Daming Palace National Ruins Park is located on Taihua South Road, Xi'an City, Shaanxi Province. Daming Palace Ruins Park is the most magnificent complex in the "three major" of Tang Chang'an City (Taiji Palace, Daming Palace, Xingqing Palace). The Longshouyuan in the north of the Chang'an City was built in Tang Taizong Zhenguan for eight years. The plane is slightly trapezoidal, covering an area of about 3.2 square kilometers. The circumference of the original palace wall is 7.6 kilometers, with 11 gates on all sides, and more than 40 sites such as the temple tower pavilion have been discovered. The south of the Daming Palace is the front dynasty, and the center from the south to the north is composed of the Yuan Palace, the Xuanzheng Palace and the Zixuan Palace; The northern center of the inner court is the Taihe pool.