In addition, some supermarkets and stores also have self-service terminal equipment, such as coupon inquiry printers, bank queuing machines, etc. Self-service terminal equipment is widely used in banks, subways (high-speed railways) and other places that need queuing. It is a device that can intelligently conduct various business transactions through computer display terminals (input and output devices of computer systems).

Self-service terminal equipment is generally composed of human-computer interface, which is operated by the user according to the equipment prompt. For example, bank ATM machines and subway ticket vending machines are self-service terminal equipment. The invention of self-service terminal equipment has greatly facilitated people's travel and service.