1. The credit card limit is insufficient, which is lower than the transaction limit. If you have arrears before, you can pay off the previous arrears or apply for a temporary quota.

2. Credit cards don't have fast payment function, and scanning code payment is not supported. You can apply for the fast payment function.

3. The consumption amount of the credit card reaches the daily limit on the same day, and it will resume normal use the next day.

4. Some merchants' code scanners do not support credit card payment, and other payment methods need to be replaced.

5. The status of the credit card is abnormal, the card is expired or frozen by the bank. In this case, only one payment method can be changed.

6. The system monitored that there were risks in the trading environment at that time, so the trading was restricted. After the wind control system is finished, it can be consumed normally.

7. If the consumer's business is blacklisted by the bank, or the industry is banned by the bank, the cardholder will not be able to spend on this business.

What is a credit card?

Credit card is a simple credit service bank card for non-cash transactions, which is a cashless card provided by banks to users to repay on a specified date. 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 limits.