Multifunctional bank card. According to Caiti's query. Com, provident fund co-branded card is a multi-functional bank card jointly issued by housing provident fund center and commercial banks, and the personal account information of employee housing provident fund is related to its personal bank card information. The provident fund co-branded card has all the financial functions of a bank card, and has the housing provident fund service functions such as inquiring about housing provident fund account information, withdrawing housing provident fund, and transferring to a co-branded card account.