Why don't you need a password to log in with an electronic health card?

I've logged in before. If set, remember to log in.

1, the electronic health card is the resident electronic health card. Resident electronic health card is a national unified standard medical service card designed by the National Health and Wellness Committee for urban and rural residents in China, which records resident identity information, health file information, hospitalization medical information and so on.

2. It is mainly used for identification of residents, storage of basic health information, cross-regional and inter-institutional medical treatment, expense settlement and financial services in medical and health service activities. It is the link and key to realize information exchange and sharing between residents and medical institutions, between medical institutions, between medical institutions and social public services and other related departments.