Tang Zhenling is the tomb of Tang Xuanzong Li Wei, located in the northeast of Cuihuang Village, Baiwang Town, Puyang County, Beizhongshan South. In addition to the four stone lions, the existing stone carvings in Zhenling are mostly concentrated on the two sides of the Shendao in front of Zhuque Gate. The shape is strange and the sculpture is exquisite. It is a key cultural relics protection unit in the country. Li Yan's reign during the period of his rule, is more effective, historically called "the rule of the big middle".