1. Credit card use is restricted: If the cardholder is unable to use the credit card, it means that the credit card has been frozen. In this case, the cardholder can contact the bank's customer service to inquire about the specific situation. If the bank suspects that he has cashed out, but the cardholder himself has not done so, he can submit the consumption voucher and ask the bank to lift the risk control. Can.

2. Warning text message or phone call from the bank: If the credit card holder receives a warning text message or phone call from the bank during the illegal use of the credit card, reminding the cardholder to use the card in a standardized manner. This means that the credit card will be frozen, so you should always pay attention when using it.

3. The application for credit card installment is rejected: Usually, if the credit card cannot be applied for installment, it means that the credit card has been frozen. Generally speaking, as long as your personal credit is good, you can apply for bill installment. If a user is rejected when applying for installment, in addition to credit problems, it is very likely that the cardholder has been risk-controlled because of irregular card usage.