You can log in to Bank of China Mobile Banking and use the "Home Page - Bank of China Credit Card - Card Management - Cancel Association" function to select the Bank of China credit card that you want to cancel the association and follow the prompts on the page.

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

If you have any questions, please feel free to consult Bank of China’s online customer service.

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