Introduction to the prefects: There were 199 prefects in Huai'an Prefecture during the Ming and Qing dynasties. Among them, six famous prefects in history specially made relief statues, namely Heng Zhezhi, Wang Tingzhen, Li Yuchang, Fu Xizhi, Ruan Xuehao, Gong An, and Yue Zhongxiu. , Liu Xi, Yang Jing, Ruan Jialin.