The reason why the transaction of ABC card is suddenly restricted may be that there are some problems in the credit card itself, such as the turnover of credit card transaction exceeds the fixed amount set by the card owner in a certain period of time, the amount is reduced by the bank, it is seriously overdue, there is cash withdrawal and other suspected illegal use, the transaction is risky, and the trading system is faulty. China bank card restricted transaction means that the credit card can't complete the normal business function, and usually the payment and cash withdrawal will be restricted.

Credit card transaction process

1. The cardholder initiates a transaction application or online request and sends the instruction to the credit card central station;

2. The acquiring institution and the credit card organization settle accounts, and then the acquiring institution extracts the specified transaction currency amount according to the application amount received online;

3. After receiving the payment demand from the acquiring institution, the credit card organization center will use its own exchange rate to convert the transaction currency into the bookkeeping currency, and then send it to the issuing bank, and at the same time transfer the clearing account of the issuing bank to associate it with the clearing account of the acquiring institution;

4. The issuing bank will transfer the transaction amount to the payee's account after receiving the payment request from the credit card organization center office.