Credit cards cannot completely replace the functions of debit cards. Although cash can be deposited into a credit card, there is no interest income on this part of the funds, and when trying to withdraw cash, a certain handling fee will be incurred. In addition, credit cards are mainly used for overdraft consumption, while savings cards are mainly used to store and manage funds. , therefore, if you need to store funds for a long time, you need to use a savings card. A savings card is a financial transaction card issued by a bank, which allows users to deposit and withdraw money at networked automatic teller machines (ATMs) and bank counters, as well as make purchases at networked points of sale (POS). The main function of a savings card is to provide basic Financial services such as storing and managing users’ cash balances.