Hospital information system, also known as hospital management information system, hospital management system, HIS system, HIS software and hospital management software, refers to the comprehensive management of people flow, logistics and capital flow in hospitals and their subordinate departments by using modern means such as computer software and hardware technology and network communication technology, and collects, stores, processes, extracts, transmits, summarizes and processes data generated in various stages of medical activities to generate various information, thus providing for the overall operation of hospitals. Hospital management system-medical HIS system aims to support hospital administrative management and transaction processing, reduce the labor intensity of transaction handlers, assist hospital management, assist senior leaders in decision-making, and improve the hospital management system-medical HIS system refers to the information system directly related to hospital management activities. Hospital his system aims to assist decision-making and improve the efficiency and level of hospital management and medical work.