Credit cards can be used without saving money, and debit cards (savings cards) can only be used with saving money. Credit card means that the bank lends money to the cardholder for consumption first, and then the cardholder returns it to the bank within a specified time.

Credit card, also called debit card, is a non-cash transaction payment method and a simple credit service. The bank will issue it to the cardholder according to the credit and financial resources of the user. Cardholders do not need to pay cash when using credit cards, but will repay according to the bill on the repayment date.

Credit card function:

1. Compared with the ordinary bank savings card, the most convenient way to use it is for ordinary consumption, and there is no cash in the card.

2. You can spend money without overdraft, enjoy an interest-free period of 20-56 days, and pay no interest on repayment on time (most banks will charge 0.5% interest and handling fee on the day of withdrawal);

3. Shopping card is safe and convenient, and there are points to give away;

4. Special merchants who hold cards in banks can enjoy preferential treatment;

5. Accumulate personal credit;

6. Validity period: It is known that the validity period of domestic credit cards is generally three to five years.