1, the credit card itself has a limit; The POS bank that swipes the card thinks there is a risk of cashing out, and it is forbidden to spend more than 2,000 yuan on a certain type of card; Some banks have risk control and are not allowed to trade in this merchant, such as Ping An Bank; Large transactions require card authorization, such as Ping An Bank.

2. After the overdue repayment of the Bank of Communications credit card is restricted (that is, the card is stopped), first of all, you should pay off the money as soon as possible (one-time payment will increase the probability of lifting the ban), call the Bank of Communications credit card center to apply for opening after paying off, and then wait for the credit card center to approve.

3. The user brings the original ID card and bank card (credit card) to the bank to modify or cancel the limit; 2. Users can log in to online banking or mobile banking, or modify or cancel the limit.

4. When the transaction is limited, you should directly call the customer service hotline of the issuing bank and ask the manual customer service to check the status of the card. If the card is restricted due to transaction risk, the restriction can be lifted by replacing the POS machine to swipe the card. As for the credit card restrictions caused by other reasons, it will take some time to solve.

5. To solve the problem that UnionPay touches the upper limit of 500, just change the system of POS machine again.

6. If the credit card is overdue, the cardholder needs to pay off the credit card debt before applying to the user for account cancellation. Because violent card swiping is restricted, mainly because of bad card swiping habits, it is necessary to develop good card swiping habits.