Bank of China personal online banking is bound to a credit card:

Bank of China has canceled the self-service association function of personal online banking. You can perform self-service association through Bank of China personal mobile banking. After the association is successful, you can also use Bank of China personal Manage and operate mobile banking and personal online banking.

Bank of China Personal Mobile Banking: Please log in to Bank of China Personal Mobile Banking, select Home Page - Account Management Function, select the bank card that needs to be linked in the "Not linked to electronic bank account" list, and select "Unlink" That’s it.

(Answer time: September 13, 2023)

The above content is for your reference, please refer to the actual business regulations.

You are sincerely invited to download and use Bank of China Mobile Banking APP or Bank of China Cross-border GOAPP to handle related businesses.