Abstract: Abstract:The growth of un-equality is always determined by income mobility. And it maybe has a great influence of the government policy that will eliminate the un-equality. The degree of the generation to generation of income mobility will has a great influence of the problems of economic issues. The degrees of intergenerational income mobility also influence the remove of poverty and economic development. The transfer of human capital will play a great role in income mobility. The investment of equal education opportunity maybe has a good effect of income mobility