Abstract
With the development of China’s economic level and transportation, China’s population migration scale is constantly enhanced, population migration investment way of human capital investment, has a greater impact on the income level of residents. This paper analyzes the mechanism of population migration’s influence on the income gap and research achievements of predecessors, then on the basis of the eight regional division, has analyzed china area ask migration scale and the present situation of the income gap, and finally by constructing panel data model, the empirical test population migration’s influence on regional smell of resident’s income gap. Finally, it is found that investment in population migration has a long-term positive effect on the income gap.