Self-service terminal equipment generally consists of man-machine interface, and users operate according to the prompts of the equipment. For example, bank ATM machines and subway ticket vending machines are all self-service terminal equipment. The invention of self-service terminal equipment greatly facilitates people's travel and service. This is one of the greatest inventions of the 20th century.

In addition, there are self-service terminal devices in some supermarkets and shops, such as coupon inquiry printers and bank queuing machines. Self-service terminal equipment is widely used in banks, subways (high-speed trains) and other places where queues are needed. A device that intelligently conducts various business transactions through a computer display terminal (input/output device of a computer system).

Self-service terminal equipment is an electronic information equipment that forms an interactive environment through multimedia databases such as movies, pictures, characters and music, so as to store information and provide various service functions such as information inquiry, printing, payment and product sales.

Self-service terminal equipment mainly includes: 24-hour comprehensive business self-service acceptance system and equipment, business hall multimedia information publishing and self-service inquiry system, business hall new business self-service experience equipment, business hall queue management system, window service evaluator, LED display screen and other series of electronic equipment and system software, which have been widely used in communication, finance, government, transportation, medical care, industry and commerce, taxation and other industries.