Guangdong Mobile can pay in advance when it has no money. How to cancel this function?

Take your ID card to the business hall. China Mobile Company official website inquired that prepaid phone bill is a service included in the user package. If you want to cancel, you need to bring your ID card to the business hall. China Mobile Communications Group Co., Ltd., referred to as "China Mobile" for short, is a central enterprise established in 2000 according to the overall deployment of the national telecommunications system reform.