Under normal circumstances, there is no need to pay interest for credit card consumption, and there will be no formalities for directly swiping credit cards. Credit cards have an interest-free period, and repayment during the interest-free period does not require any handling fees and interest. However, if there is overdue repayment or installment repayment, it is necessary to pay interest, that is, the interest fee of the credit card.

Credit card is a credit certificate issued by a commercial bank or credit card company to eligible consumers.

The form of credit card is a card with the name of the issuing bank, expiration date, number and cardholder's name printed on the front. Consumers with credit cards can go to specialized commercial service departments for shopping or spending, and then the bank will settle accounts with merchants and cardholders, and cardholders can overdraw within the prescribed limit.

The role of credit cards:

1. It is convenient for people's life and saves the trouble of carrying cash. And there are no geographical restrictions on using credit cards. Whenever you swipe your card anywhere in China, you can swipe it as long as you have the UnionPay logo, and there is no handling fee;

2. Be able to participate in various discount activities in cooperation between merchants and banks;

3. The points earned by credit card spending can be exchanged for gifts;

4. Timely repayment after swiping the card will enhance the credibility of personal banks.

The purpose of the credit card:

1. Shopping consumption.

2. Microfinance.

Save money.

4. Shopping saves money.

5. Value-added services of credit cards to obtain cheap insurance and travel.

6. Credit certificate.

Credit card withdrawal methods are:

1. Cash withdrawal at the counter:

Cardholders can take their credit cards to any bank counter, apply to the staff for cash withdrawal, and then enter the cash withdrawal password with their help to withdraw cash.

2. Cash withdrawal by tying the card:

The cardholder can bind the credit card with a peer savings card in the online banking of the credit card, then transfer the credit line to the savings card, and then use the savings card for consumption, which is also called cash withdrawal.

3.ATM withdrawal:

Insert the credit card into the ATM, enter the payment password of the credit card, select cash withdrawal, then enter the cash withdrawal amount, and finally confirm.

Credit card repayment methods are:

1, ATM repayment. Cardholders can go to the ATM of the bank to make a card deposit, and depositing money in the credit card means paying back the money.

2. Mobile banking repayment. All major banks have mobile banking software, which can be installed on mobile phones to repay credit cards.

3. AliPay repayment. Alipay has a credit card repayment function. Click "Credit Card Repayment" on the homepage, and you can repay after binding the credit card.

4. wechat repayment. There is a credit card repayment function on WeChat. Click "Me"-"Pay" to see the "Credit Card Repayment" function.

5. Repay at the bank counter. Cardholders can go to bank outlets with credit cards, ID cards and cash, and handle credit card repayment business at the counter.