This is because the credit card information of China Bank cannot be read. At present, the popular credit cards are magnetic stripe cards and chip cards, which involve the invalidation of magnetic stripe and chip. When a general credit card is used for a long time, the magnetic stripe and chip may be invalid, and the invalid credit card information cannot be read, resulting in the abnormality of the credit card. In this case, the cardholder can only ask the Bank of China to change the card. Generally speaking, it costs a certain fee to change a credit card.

Abnormal credit card status, including:

1. Credit card payment is restricted: There are many reasons why credit card payment is restricted, including the reason that the payment amount of credit card exceeds the limit of single transaction/day/month, the credit card limit is insufficient, and the credit card is frozen. In this case, the credit card can only be swiped after solving the influencing factors according to specific reasons.

2. Abnormal transaction of credit card: The bank will monitor and identify the credit card swiping and payment. Once the transaction is abnormal, a prompt may be issued, which may be caused by stolen swiping. For example, a large amount of overseas transactions in a short period of time may be judged as stolen by the bank, and a credit card abnormal trading tips will be issued to the cardholder. If the cardholder receives a credit card with abnormal trading tips, he should contact the bank as soon as possible. If the credit card is stolen, he should freeze it as soon as possible.