What is a social security card?

Not a bank card. According to official website of China Social Security Bureau, social security cards are not bank cards, but cards issued to the society by local human resources and social security departments. Social security cards in different regions cooperate with different commercial banks. The social security card is called the Social Security Card of the People's Republic of China, and it is issued to the whole society by local human resources and social security departments. It is an integrated circuit card used in various business fields of human resources and social security.