When users cancel an Amazon order, they don't need to refund it themselves. Once the order is canceled, Amazon will automatically process the refund and return the money to the user's original payment method, such as a credit card or Amazon account balance. Users do not need to do anything manually or provide any information. Amazon will complete the refund process and ensure that the money reaches the user's account. In this way, users can rest assured and enjoy convenient and fast order cancellation and refund services.