Introduction to the May 7th Cadre School: During the Cultural Revolution from 1970 to 1972, this was the location of the famous "May 7th Cadre School in Mianyang Area" in Sichuan at that time. At that time, more than 40 "stinky old people", "smugglers" and "cow ghosts and snake gods" in the Mianyang area were locked up in the cowshed here. During the day, they were undergoing labor reform in the fields on both sides, and at night they were undergoing ideological reform in Pang Tong Temple. In order to protect the cultural relics from being destroyed by the rebels, slogans were written on the walls.