Taking 354 migrant workers in Xiangtan City, Hunan Province as samples, this study analyzed the ill treatment, treatment expenses and medical insurance providers and found out that the prevalence rate of migrant workers and the cost of medical care are high, migrant workers tend to choose non-formal treatment, their ability to cope with disease risk is low, there exists a big gap between implementation effect and policy goals of medical insurance plan. The above results indicate that: health care system can not adapt to different living situat...