Introduction to the ruins: There are main gate, second gate, lobby, second hall, Daguan Tower and Huaihai Festival Tower built on the central axis. On the east side there are the official hall, scribe's office, Donglin Bookstore, Zhengzhuang Hall, Shuitu Temple, Yilan Pavilion, etc.; on the west side there are the official hall, Bailu Hall, Shizhuzhai, Laihexuan, etc. In front of the gate, there are screen walls, east and west There is an archway on each side.