The method to cancel the repayment function bound to China Merchants Bank's credit card is as follows:

1. Setting method: Log in to credit card online banking and click "Repayment Management" → "Cancel automatic repayment settings" ".

2. You can also set it up by phone. Call the credit card service hotline. After verifying your identity, press 3 to enter "Card opening and password, bill delivery method, automatic repayment settings", and then press 5 to enter "Automatic repayment settings". "Money Settings", just cancel it.