Abnormal situations occur with China Merchants Bank’s credit cards, including inability to read credit card information, restricted credit card payments, abnormal credit card transactions, etc. \r\n1. Credit card information cannot be read. Currently, the most popular credit cards are magnetic stripe cards and chip cards, which involve the problem of magnetic stripe and chip failure. Generally, credit cards have been used for too long and have been scratched or damaged. The magnetic stripe or chip fails, and the invalid credit card information cannot be read and the credit card is abnormal. In this case, the cardholder can only ask the card-issuing bank to replace the card. Generally, replacement of the credit card requires a certain fee. \r\n2. Credit card payment is restricted. There are many reasons why credit card payment is restricted, including the credit card payment amount exceeding the single/day/month limit, insufficient credit card limit, credit card being frozen, etc. In this case, only specific The card can be swiped only after the influencing factors are resolved. \r\n3. Abnormal credit card transactions: The bank will monitor and identify credit card swiping, payment and other behaviors. Once the transaction is abnormal, a prompt will be issued. Abnormal credit card transactions may be caused by fraud. For example, large-amount transactions in other places in a short period of time may be caused. The bank determined it to be fraudulent and issued an abnormal credit card transaction reminder to the cardholder. If the cardholder receives an abnormal credit card transaction prompt, he should contact the bank as soon as possible. If the credit card is stolen, the credit card will be frozen as soon as possible. \r\nFor more information about what to do if China Merchants Bank's credit card is abnormal, enter: /ask/2e71f41615832624.html?zd to view more content