Abstract: By using historical data and the unearthed literatures, this paper makes a research of description, analyses and comprehension about the Buddhism belief of the Hu and Han peoples in the region of Changan, Xizhou, Shazhou and so on in Tang Dynasty. Populace s religion belief belongs to the research field of religious social history research, so the research in this paper develops with the Buddhism belief of the Hu and Han peoples in a certain area. The core of the research focuses on the god system, the reli...