His system refers to the hospital information system.
Hospital information system refers to an information system that uses modern means such as computer software and hardware technology and network communication technology to comprehensively manage the flow of people, logistics and capital in hospitals and their subordinate departments, and collect, store, process, extract, transmit, summarize and process the data generated in various stages of medical activities to form various information, thus providing comprehensive automatic management and various services for the overall operation of hospitals.