Abstract:The former site of Duan Qirui's government is located at No.3, Di 'anmen East Street, Dongcheng District, Beijing. This is the He Prince Mansion in the early Qing Dynasty. The building has been preserved since the 1911 Revolution and is used by the Institute of Qing History of Renmin University of China and the Chinese Academy of Social Sciences. At present section of the government site architectural pattern and He Prince Mansion's five doors well preserved, for Beijing cultural relic protection units.