While the problem of ethnic groups is the basic existence of social problems,ethnic policy is the main theme to promote the development of ethnic regions.Since ancient times,transplantation and innovation of ethnic policy is a major part in national political.'Barbarian-treat-barbarian','peace-making marriage'and other ethnic policy appeared in feudal dynasty have greatly accelerated the development of ethnic relations,and become the practical basis of Marx nationalism theory in the long-term development.With the birth and spread of Marx’s eth...