Introduction to the Tao Te Ching Annotation Monument: It is located on the east side of the Shinto in front of the Taiji Hall of Taiqing Palace in Luyi. It was erected in the first year of Tianbao in the Tang Dynasty, that is, 742. The monument is 3.7 meters high, 1.2 meters wide, and 0.36 meters thick. The head of the monument is It is semicircular in shape, with a stone head and body, and inscriptions on all four sides of the stele. The front and back sides are the main text, with 22 lines on each side, and a full line of 51 characters. It is written in official script and has inscriptions by literati on the left and right sides. The content of the inscription is Li Longji's interpretation of the Tao Te Ching by Emperor Xuanzong of the Tang Dynasty.