The financial account of social security card is actually an ordinary bank card account. After the user activates the financial account of social security card, our social security card is not only a social security card, but also a bank card. The cardholder can use the financial account of the social security card for deposit and withdrawal, transfer and other operations. Social security card is a financial account and a debit card account, so there is no credit overdraft function. Therefore, everyone needs to deposit money into the financial account of the social security card before using it.