1. Contact the credit card issuer: First, contact the customer service department of the credit card issuer immediately and report the abnormal status of the credit card. Will be able to provide you with a detailed solution and explain why.
2. Check bills and transaction records: Check your recent credit card bills and transaction records carefully to confirm whether there are any unauthorized or suspicious transactions. If you find any unusual transactions, please inform the credit card issuer immediately, and they will be able to help track and handle these transactions.
3. Freeze your credit card: If you suspect that your credit card has been stolen or has security problems, you can ask the credit card issuer to temporarily freeze your credit card. This will prevent any unauthorized transactions and give enough time to solve the problem.