In the area of Internet+ health care，especially in the field of big health care data，America，Britain and so on，have introduced many policies. The application of big health care data spreads rapidly. The United States promotes the opening and sharing of big health care data，and focuses on the development of precision medical care；the United Kingdom is word hard to develop personalized health care，etc. In our country. The market of health big data is vast in space and infinite in potential. By drawing on the running mechanism and management mode of overseas Internet+ health care，the big health care data of China can be promoted and developed rapidly.