Abstract:Medical management informationization is an important means to improve the health level of the whole people under the special national conditions of China’s large population and scarce medical resources. This paper discusses a series of problems in medical management informationization development in China and points out the importance of blockchain based application in medical management information system. Blockchain technology can be used to tackle some issues such as interconnection, confidentiality, non tampering and sharing in medical information resources, which will provide important technical support for the further development of Internet+medical care in China.