This paper holds that Leiguzhai site of Tongjiang and Yueliangyan site of Bazhong have got great impact from the Longshan Age culture of Three Gorges Region;while Bianduishan site of Mianyang has absorbed something from Baodun Culture,after comparing Baodun Culture of Chengdu Plain and the Longshan Age culture.

With the last archeology excavation,the paper intends to prove that the occasion of separating the cultures of early Ba and Shu comes;provides the point that the second stage later period relics of Lujia River and Baoshan Culture belong to the early Ba Culture,and each race,the Ba and Shu,has its own culture origin and both of the two cultures have a throughout close relation of communication.