Abstract:Located on the west bank of Beihai Park adjacent to the Wulong Pavilion, the Beihai Xiaoxi Tianguanyin Hall was built in the Qianlong Dynasty of the Qing Dynasty (about 1775) as a square pavilion with pointed heavy eaves at four corners. Due to the serious damage to the main hall, it must be rebuilt. After preliminary investigation, find the damaged parts, and formulate a reasonable scaffolding project and lifting engineering construction plan in the renovation project. It also describes in detail the erection methods of various scaffolding.