The method for Bank of Communications to enable automatic repayment is as follows: Open the Bank of Communications APP to pay bills, click on "Mobile Credit Card", click on "Card Settings" to add the credit card that you want to automatically repay, and then return to the home page after the successful addition, click on "Credit Card", select "Credit Card Repayment" and click "Enable Automatic Repayment". Users can also bring their ID cards, credit cards and bank debit cards to the bank outlets where debit cards are opened.