Self-service terminals are "24-hour self-service" as the system design concept, can alleviate the problem of excessive traffic in the traditional business hall, to make up for the lack of the original business hours, to avoid customers in the business hall for the business of the trouble, so that the customer feels relaxed, convenient, considerate service. Business hall self-service terminals are an extension of the business hall services and complementary. Users in the financial industry can carry out account inquiries, self-service transfers, statement printing, registration, self-service lost business; in the communications industry, users can enter the phone number through the terminal, can be self-service for cell phone stop (reset), billing inquiries and printing, bill payment, invoice printing, caller ID, GPRS, and other basic business open and close for; you can also buy mobile phone cards, password recharge vouchers. Through value-added development, other value-added services such as commodity purchase can also be realized through the supporting equipment. The equipment has the advantages of saving personnel expenses, reducing business costs, 24-hour continuous work, error-free operation, etc. It can be placed in telecom business halls, fee collection points, stations, docks, airports, large shopping malls and other public **** places.