An accelerating pace of urbanization has brought a large number of floating population into the urban society.However,how to integrate these minority population into the city life has become an important realistic problem for the construction of harmonious society and the realization of national unity. And learn from the main idea of "interaction theory"to build a framework for the integration of urban ethnic minorities,Starting from the three factors of power,condition and means to make useful exploration for the social integration of urban minority population.