The campus of Peking University is divided into six parts: Headquarters, Medical Department, Changping Campus, Daxing Campus, Wuxi Campus and Shenzhen Graduate School. This department is also called Yan Garden, including Shuchun Garden, Garden, Langrun Garden, Jingchun Garden, Garden, Weixiu Garden, Changchun Garden and Chengze Garden. It is a famous royal garden in Ming and Qing dynasties, and its basic pattern and charm still exist for hundreds of years. The campus is adjacent to Yuanmingyuan in the north and Summer Palace in the west. Peking University has made full use of this rare historical heritage to build a picturesque campus environment, which has both the grandeur of the royal gardens and the beautiful features of the water towns in the south of the Yangtze River. There are not only classical buildings such as pavilions and pavilions, but also mountains surrounded by water, connected by lakes and interspersed with dikes and islands, with pleasant scenery; Campus towering old trees, tree-lined, evergreen, birds and flowers, different landscapes. The beautiful image of the Lake Tower is accompanied by the master's back, which is the most beautiful picture of the Yanyuan Garden. The famous "One Tower Lake Map" refers to the scenery around the unnamed lake.