Automatic repayment function opening method:
1. When filling in the credit card application form, check "Automatic Transfer Repayment Authorization" and provide your own Bank of Communications debit card for repayment binding to enable the automatic repayment function;
2. After the credit card is opened, bring the original Bank of Communications debit card, credit card and ID card to be bound and open it at any Bank of Communications outlet where the Bank of Communications debit card is opened.