The legend of Chengtang prayed for rain on Xicheng Mountain spread abroad in Yangcheng，Shanxi Province.This legend was widely accepted by the Yangcheng community. Under the promotion of official and civil power, Chengtang belief became a unique belief in the rain god in Yangcheng.From the Tang Dynasty，to the Republic of China, as the carrier the Chengtang temples were established in large numbers，and it was recorded by the tombstones.Through the tombstones in the temples，we know that，as the main force，the village community and the heads of them，promoted the constructions of the Chengtang temples and the inheritance of Chengtang beliefs in the rain god.

tombstones； temple; Chengtang temple； rain god； folk beliefs ; grassroots society