In recent years, with the accelerated integration of technology and finance, Internet-insurance business has developed vigorously, breaking geographical restrictions, penetrating rural areas and providing new opportunities for improving the health of rural Chinese. Based on the CFPS dataset, this paper show that the development of Internet-insurance has significantly improved the health of rural residents, and the group between 30 and 60 years old, education and income in the middle and low level have greater positive effects. The mechanism analysis show that the development of Internet-insurance mainly promotes the health of rural residents by improving their availability to commercial insurance and their willingness to seek medical treatment in high-level hospitals.