1, try to find the previous credit card documents;

2. Think back whether you have bound a credit card through a third-party channel, and you can try to query through the binding platform;

3. I tried to ask through the local counter;

4. If the family has paid back the money, you can confirm whether there is a record, or whether it can be found in the online banking transfer.

5. If the credit card is associated with the professional version, please log in to the professional version (you need to apply for the professional version and have associated the credit card) and check the card number in "Professional Edition Management-Certificate Associated Credit Card".