The Tongxin Great Mosque — Tongxin Qingzhen Dasi — was built during the early Ming dynasty, probably in the late 14th century, and is widely considered one of the oldest surviving mosques in China. It escaped the fate of most Islamic architecture in the northwest — repeated destruction, damage, or modernisation — through a combination of remoteness and community ingenuity. What survives is an unusually intact example of a fully Chinese architectural vocabulary adapted to Islamic worship.
The complex is built entirely in the timber-framed, courtyard style of a classical Chinese temple. There are no domes or minarets; the entrance gate, side halls, and prayer hall all have the tiled, upswept roofs of traditional Chinese construction. The prayer hall interior is a different matter: Arabic calligraphy covers the walls, the qibla niche faces southwest toward Mecca, and the mihrab is decorated with geometric ornament drawn from Islamic rather than Chinese traditions. The synthesis is striking and genuine — this is not decoration, but a building form that evolved from the specific circumstances of a Muslim community in 14th-century China.
Admission is modest. The mosque is still in active use for daily prayers; dress modestly and be aware of prayer times. Photography is permitted in the courtyard and exterior but follow the custodian's guidance inside the prayer hall.