1. Log in to the Amazon host management, and find the payment method (note the [Delete] next to the credit card). It cannot be deleted successfully ( note that the deletion here cannot be cancelled, and process can be cancelled)
2. Note that we must log in to the official website of Amazon (if it is bound to Amazon America), search for amazon.com to open, and log in to the account.
3. After logging in, find [your account] as shown in the figure