Debit card. According to relevant public information inquiries, the development bank card is a debit card type. Bank cards can be divided into two major categories, namely debit cards and credit cards. Debit cards are further divided into first-class cards, second-class cards and third-class cards. Credit cards are divided into credit cards and quasi-credit cards. Debit cards can be used for savings, transfers, and financial management, while credit cards can be used for overdraft consumption.