1. The credit limit of the card is the upper limit of your overdraft.

2. When each card is mailed to you, there is also a promotional leaflet with the card, which will indicate your payment date and repayment date. If you are really unclear, you can call the card The bank customer service phone number on the back is for detailed consultation.

3. Just go to the bank ATM machine where the card belongs to repay the money. It is also possible to go to the counter, but it is a little more troublesome. There is no need to deduct any handling fees when repaying a credit card. Unless you repay overdue, a certain amount of arrears interest will be deducted.

4. Every card has an annual fee. Generally, banks will explain that as long as you spend 5 to 6 times a year (no limit on the amount each time), the annual fee can be waived. You can consult your account for details. Card issuing bank customer service.

5. Basically, the method of using a credit card is roughly the same. The first thing you do after getting the card is to activate the card over the phone and set a password. When purchasing, you only need to enter your password on the POS machine and then sign. However, it is recommended that you activate one of them first. If there are too many cards, you will be even more confused. If you encounter any problems during use, you can call the customer service number on the back of the card for consultation!