Tools: mobile phone, computer, etc.

1. Mobile banking: Users log in to the mobile phone number of China Bank, click the "Credit Card" button on the page, fill in the information as prompted, and complete the cancellation application.

2. Online banking: log on to the homepage of the website, select online banking self-registration, then enter the credit card business, select the existing China Bank debit card, and enter the debit card number, inquiry password and verification code to complete the credit card account registration.

3. Customer service telephone number: Call the customer service telephone number 95566 of Bank of China, complete the relevant operations according to the voice prompts, and then enter the manual service to apply for cancellation of the credit card.