Electronic health card is an online application extension and service form innovation of resident health card. At the same time, it can realize the "compatible use" and "registration management" of various original health service media such as hospital card, maternal and child health card, planned immunization card, ID card, social security card and bank card. , which solves the practical problem that multiple cards are difficult to be effectively unified. At the end of 20 16, the pilot work of electronic health card application was started.