Abstract: On the basis of analyzing Shandong population flow,this paper points out the stage differences from three aspects of scale,direction and power.Be using "sixth census" data,this paper concludes the characteristics of Shandong flowing population,and analyzes the factors which influence Shandong population flow combining with statistical data.The study found that rural labor surplus is a continuous "push force" for Shandong population flow.With the relaxation of household registration management, "attractive forces" which produce from the differences of the region economy,income and basic public services of urban and rural residents prompt the rural population to flow,especially from rural to urban.