The self-service terminal is based on the system design concept of "24-hour self-service", which can ease the traditional business hall The problem of excessive flow of people can make up for the original lack of business hours, avoid the troubles of customers handling business in the business hall, and make customers feel relaxed, convenient and considerate services. The self-service terminal of the business hall is an extension and supplement to the service of the business hall. Users in the financial industry can perform account inquiries, self-service transfers, statement printing, re-issuance, and self-service loss reporting services; users in the communications industry can perform self-service mobile phone shutdown (return) and phone bill inquiries by entering their phone number through the terminal Printing, payment, invoice printing, caller ID, GPRS and other basic services are opened and closed; you can also purchase mobile phone cards and password recharge receipts. Through value-added development, other value-added services such as commodity purchase can also be realized through supporting equipment. The equipment has the advantages of saving personnel expenses, lowering operating costs, 24 hours of continuous work, error-free operation, etc. The self-service terminal can be placed in public places such as telecommunications business halls, charging points, stations, terminals, airports, large shopping malls, etc.