Based on survey and research of 885 migrant workers of 126 villages in 24 provinces, the article makes an objective interpretation on the problem of shortage of migrant workers. Analysis shows that : the central region shows high tide of returning home, the main subjects are whom have junior school education, losses of labor force in construction and manufacturing industry are more serious; the incentives for shortage of migrant workers are poor migrant worker environment and improvement of local employment environment. Therefore, the article ...