Abstract: Abstract：Based on the urban migrant workers’ survey data, through the revised Mincer income equation, the paper focus on different types of human capital investment and different ages affect migrant wages returns. The results show that the return rate of peasant workers vocational training is higher than the ordinary education, and the effect of vocational training on migrant workers which are younger is more obvious. Promoting the human capital investment of migrant workers should be firstly focused on compulsory education for migrant workers, at the same time enterprises should be vigorously encouraged to increase investment in on-the-job training on young migrant workers, and build a vocational training platform which is more diversified and open, providing more support for migrant workers to improve professional skill.