HIS: hospital information system in English and Hospital Information System in Chinese. It provides hospital departments with the ability to collect, store, process, extract and exchange patient diagnosis and treatment information and administrative information data by using electronic computers and communication equipment, and meets the functional needs of all authorized users. HIS mainly covers two types of services, including outpatient and emergency services and hospitalization services. Outpatient and emergency services generally include: medical card management, registered appointment, outpatient triage, outpatient doctor workstation, outpatient charging system, outpatient medicine distribution system and emergency observation system. Hospitalization services generally include: hospitalization registration, hospitalization expenses, nurses' workstations, doctors' workstations, medical record cataloging, medical record circulation and medical record quality control.

CIS: clinical information system in English and clinical information system in Chinese. It is patient-centered and integrates the clinical diagnosis and treatment data of patients through various software systems, mainly serving clinical activities such as disease diagnosis and treatment and medical research. Its core function is to improve the quality and efficiency of medical process management. CIS system is not a single system, but a collection of clinical information systems.

LIS: English laboratory information management system, Chinese laboratory information management system, is a set of information management systems specially designed for hospital laboratory. It can form a network of experimental instruments and computers, and realize intelligent, automatic and standardized management of complex operation processes such as patient sample registration, experimental data access, report review, printing and distribution, and statistical analysis of experimental data. It is helpful to improve the overall management level of the laboratory, reduce loopholes and improve the inspection quality.

EMR: Electronic medical record system in English and Chinese. It is a computer information system that uses computers to save, manage, transmit and copy patients' digital medical records, and on this basis, fully considers the confidentiality of patients' information and improves the quality and efficiency of medical treatment.

PACS: Image Archiving and Communication System in English and Medical Image Archiving and Communication System in Chinese. It has developed rapidly with the progress of digital imaging technology, computer technology and network technology in recent years, aiming at comprehensively solving the comprehensive system of medical image acquisition, display, storage, transmission and management. PACS is rapidly popularized in hospital imaging department. Just as computers and the Internet are increasingly affecting our daily life, PACS is also changing the operation mode of the imaging department, and an efficient filmless imaging system is quietly emerging. In these changes, the main function of PACS is to connect different imaging equipment (CT, MR, X-ray, ultrasound, nuclear medicine, etc. ); Store and manage images; Image call and post-processing. Different PACS can have great differences in organizational structure, but they must be able to complete these three functions.

RIS: English is Radioiogy information system, and Chinese is Radiology Information Management System, which is a software system to optimize the workflow management of hospital radiology department. Typical workflow includes registration and appointment, medical treatment, image generation, film release, report, review and film distribution.

CAD: It often refers to the interactive calculation of displaying terminal graphic input version, drawing, scanning and printers, tape drives and various softwares with graphic functions.