The self-service terminal is designed with the system concept of "24-hour self-service", which can alleviate the problem of excessive foot traffic in traditional business halls, make up for the lack of original business hours, avoid the trouble of customers handling business in the business hall, and make customers feel relaxed, convenient, and considerate service. The self-service terminal in the business hall is an extension and supplement to the services provided in the business hall. In the financial industry, users can perform account inquiries, self-service transfers, statement printing, supplementary registration, and self-service loss reporting services; In the communication industry, users can input their phone numbers through terminals to perform self-service services such as mobile phone stop/resume, bill inquiry and printing, payment, invoice printing, caller ID, GPRS, and other basic services; You can also purchase mobile phone cards and password recharge receipts. Through value-added development, other value-added services such as purchasing goods can also be achieved through supporting equipment. This device has the advantages of saving personnel expenses, reducing operating costs, 24-hour continuous work, and error free operation. Self service terminals can be placed in public places such as telecommunications service halls, toll collection points, stations, docks, airports, and large shopping malls.