1. If it has been linked, there will be a relevant prompt in the electronic bill, which will prompt "Deduct from your * * * card number".

2. Bring my ID card to the bank counter for enquiry.

3. Call and ask.

4. Log in to online banking and check the repayment settings under the credit card. If there is no binding, it can be associated in repayment settings.

In the first step of credit card-related debit card, the cardholder should bind through the counter or online banking, mobile banking and other clients. Cardholders can apply for credit card-related debit cards at the counter of the issuing bank with their ID cards, or through online banking, mobile banking and WeChat banking of the issuing bank.

After the credit card is associated with the debit card, the bank will deduct the money on the last repayment day of each month, and the cardholder only needs to ensure that the associated debit card has enough funds.