If China Merchants Bank card can't remember the credit card number, the following is for your reference: 1. Do you still remember whether you have bound a credit card through a third-party channel? You can try to view it through the binding platform; 2. I tried to ask through the local counter; 3. If your family has paid back the money for you, you can confirm whether there is a record of transferring out of online banking or whether it can be found; 4. You can log in to the Pocket Life App- Card Finance-Card Manager to try to inquire; Mobile banking selects the corresponding card bound by a Netcom user and enters the verification code to view the complete card number.