Self -service terminals are mainly used to alleviate the large problem of business halls and increase the speed of business processing. They are mainly used in industries such as banks, telecommunications, power, medical care, aviation, retail. The self -service terminal is based on the "24 -hour self -service service" as the system design concept, which can alleviate the problem of excessive traffic in the traditional business hall, make up for the shortcomings of the original business hours, avoid the troubles of customers in the business hall, and make customers feel Easy, convenient and considerate service. The self -service terminal of the business hall is an extension and supplement to the service of the business hall. The automatic service terminal has the advantages of saving personnel expenses, reducing operating costs, 24 -hour continuous work, and no error operation. It can be placed in public places such as telecommunications business halls, collecting fees, stations, docks, airports, large shopping malls and other public places.