If it is a CMB credit card, please call the customer service hotline after the credit card account is settled, enter your ID number or card number and inquiry password according to the voice prompt, and then select the "9" transfer service specialist to cancel it for you, or directly apply for cancellation through the manual customer service of CMB credit card WeChat. Cancellation is free. Business credit card cancellation needs to contact the company to issue a special business processing form application.