Jumenbu (), is a fortress of the Ming Great Wall Shanxi Section, located in Datong city in Shanxi province, China. Jumenbu is a fortress for guarding the Great Wall of China, and it is a part of the Great Wall defence system. Jumenbu is situated in a brae 2.5 km away from the Great Wall. It was designed to defend against invasion and harry the nomads of Mongolia. Its original name was Jumengbu, which literally means "Mongol-resistant stronghold", but it was later renamed.