(2) Drug management: data preparation and drug dictionary, drug warehouse management function, outpatient and emergency pharmacy management function, inpatient pharmacy management function, drug accounting function, drug price management, preparation management subsystem, and rational drug use consultation function;
(3) Economic management: emergency registration system, emergency pricing and charging system, inpatient admission and transfer management system, patient hospitalization charging system, material management system, equipment management subsystem, financial management and economic accounting management system;
(4) Comprehensive management and statistical analysis: medical record management system, medical statistics system, dean's inquiry analysis system and patient consultation service system;
(5) External interfaces: medical insurance interface, community health service interface and telemedicine consultation system interface;
Hospital information systems include PACS (Image Archiving and Communication System), CIS (Clinical Information System), RIS (Radiological Information System) and LIS (Laboratory Information System).
The information system directly related to medical activities is called medical system. Including medical expert system, auxiliary diagnosis system, auxiliary teaching system, critical patient monitoring system, drug consultation and monitoring system, as well as some special diagnosis and treatment systems, such as CT (Computed X-ray Tomography), B-ultrasound, automatic analysis of electrocardiogram, automatic analysis of blood cells and biochemistry, etc. These systems are relatively independent, forming a special system or controlled by a special electronic computer, mainly completing data collection and preliminary analysis, and the results can be collected into medical documents and medical databases through online networks for doctors to query and call.