The ancestor of Hsien-pi T’o-Pa clan that came from the northern Asia steep. When they conquerored the widern territory of northern China and ruled the agriculture people of Chinese who more than their nomadic people. Their social customs were effected each other, as clothes, behaviors, religious and languages etc… The literature focus on the heritage of T’o-Pa soverigns, to find out their hereditary institution of sovereigns will be changed by Hans’ culture.