(Pointofsales) in Chinese means "sales point", known as the sales Point intelligence management System, is a bar code or OCR code technology Terminal Reader, with cash or barter limit cashier function. Its main task is to provide data services and management functions for commodity and media transactions, and to perform Non-cash settlement.
POS is a multi-function terminal, it is installed in the credit card of the special merchant and the network to be connected with the computer, it can realize the automatic transfer of electronic funds, it has support for consumption, pre-authorization, balance inquiries and transfer functions, the use of safe, fast and reliable. The basic management information is difficult to obtain in the bulk transaction, and the introduction of POS system is mainly to solve the blind spot of retail information management. An important part of the chain store management information System.