Xiongnu Tiefu tribe was moved to the midfield in weijinnanbeichao period. At first they were active in the eastern region Huanghe. It was later moved to the western region Huanghe. That maintained long-term rivalry in the history of Tuopa Xianbei Beiwei dynasty. Tiefu by the induction of the main contents are as follows. First, Tiefu tribe origin of the species is Xiongnu. They are half-breed of Hufu-Xianbeimu. Second, They Tuopaxianbei over the course of hostilities and confrontation became a major threat. Stage of their major activities through time, was moved to the west side of Huanghe. Third, Tiefu tribe members of the tribal system in the early Xiongnu, and Hufu-Xianbeimu turned into a half-breed, and eventually was changed due to the Hexi-Xianbei.