The method for activating ICBC credit card online payment is as follows:

1. Log in to ICBC online banking: visit the official website of ICBC (***), click "Personal Online Banking" and enter Username, password and verification code to log in.

2. Enter online banking: After logging in successfully, enter the main interface of personal online banking.

3. Open "ICBC e-Payment": Find and click "ICBC e-Payment" in the main interface to enter the ICBC e-Payment setting page.

4. Activate ICBC e-payment: On the ICBC e-payment settings page, find "My ICBC e-payment" and click "Activate ICBC e-payment". Follow the prompts to set the payment password and confirm activation of ICBC e-payment.

5. Bind credit card: After activating ICBC e-payment, return to the ICBC e-payment setting page. Click "My ICBC e-Payment", select "Associate Credit Card", enter the credit card information as prompted, and confirm the association of credit cards.

6. Activate the online payment function: Return to the main interface of personal online banking, find "Credit Card Services" and click to enter. On the credit card service page, find "Credit Card Online Payment", click "Activate", follow the prompts to set the payment password, and confirm the activation of the online payment function.

7. Complete activation: After successful activation, you can use ICBC credit card for online payment. When paying, select "ICBC e-Payment" and enter the payment password to complete the payment.

It should be noted that when activating the online payment function, you need to comply with the relevant regulations of ICBC on online payment to ensure payment security. At the same time, when using credit cards for online payments, you must pay attention to preventing network risks and protect your bank card and password information.