The credit card has been frozen and cannot be used. You can apply for unfreezing. Call the number on the back of your credit card to apply for unfreezing. You can also call this number to explain the situation. Credit cards are also called credit cards. It is a non-cash transaction payment method and a simple credit service. Credit cards are generally 85.60 mm long, 53.98 mm wide, and 1 mm thick, special carrier plastic cards with consumer credit. It is issued by the bank to individuals and organizations, and can be used to shop, consume, and deposit and withdraw cash from the bank. It is in the form of a card with the name of the issuing bank, validity period, number, cardholder name, etc. printed on the front and a magnetic card on the back. strip, signature strip.