If frequent use of pos machines for large-scale consumption or frequent large-scale cash withdrawal causes UnionPay to doubt your credit, UnionPay will inform the bank that the account is suspected of cashing out.

The solution is to provide credit card vouchers for the past year, otherwise you will have to wait.

2. Repeated overdue repayment

The solution is: full repayment, call customer service and ask for thawing. In this way, the limit may be lowered, but if the overdue times are not many, the general customer service will unfreeze.

3. Improper use of 3.POS machines

At present, credit card transactions are rampant, which leads to the confusion of credit card consumption records.