Abstract：The living places of the chief ethnic groups in Ba,Shu and Yelang regions are diverse in different times.But the pattern of their distribution has already come into being during Qin dynasty.The whole Ba,Shu regions is called "the place of Yi-Yue".Yi means Di-Qiang ethnic groups.Yue means Pu-Yue ethnic groups.Di-Qiang of "Yi in southwest China" have something to do with Tibeto-Burman language groups nowadays,but Pu-Yue have something to do with Zhuang-Dong language groups.And so far there are no foundamental change,namely except the nations of Miao-Yao language groups,the nations of Zhuang-Dong or Tibeto-Burman language groups are still the chief residents in the southwest of China.
