1. Cardholders need to bring their ID cards and credit cards to the local counter of Bank of Communications, and then ask the teller to help open the online payment function of credit cards;
2. activate the online banking function. After handling at the counter, online banking needs to be activated before it can be used. The steps are as follows: first log in to the website of Bank of Communications, log in as a mobile phone registered user, choose to log in for the first time, set the user name password as required, then log in as a user name, and then you can use the credit card to pay online.