The Lanzhou Xiguan Mosque was constructed in Wanli Period, Ming Dynasty (1368-1644) and it had undergone several reconstructions in Qing Dynasty (1644-1911).
Located in the west of Xiguan Street, Xiguan Mosque is one of the old and major mosques in Lanzhou city of Gansu Province. Occupying an area of about 467 square meters, the mosque is built in the combination of Chinese architecture features and Islamic style, making it solemn and forceful.
Main buildings of the mosque include the gate, prayer hall, Bunker building, Shengxin Pavilion, bathroom, learning house and other facilities. The main hall is the most prominent building in Xiguan Mosque, covering an area of 141 square meters. It is a four-storeyed prayer hall with the total height of 37 meters and each storey with the height of 3.9 meters. Imam room, teaching house, dormitory, storage room, bathroom and scripture chamber are all seated in the main hall. There is also a small prayer hall for female in the main hall.
As one of the grand mosques in China, Xiguan Mosque is not only an important place for local Lanzhou Muslims to do prayers and attend religious activities. It also has held religious schools, which has trained many Muslim scholars and has made great contribution to the development of Islamic education and culture. It receives thousands of Muslims every year to do prayer there.