The Hospital Information System Which Based On UML

The use of modern computer hardware and software technology in care services to standardize the whole process of management, can be timely and accurate to access and master all kinds of information, and make right decisions. For improving the overall standard of medical services, and increasing market competitiveness, it shows great practical significance. The Hospital Information System emphasizes the idea of patient-centered services. It is on the base of medical services, and achieve the uniform regulations of the information flow among cash flow, logistics and medical .The system can not only complete the work of hospital business excellently, but also make the analysis of the various data scientifically, to make the goal of comprehensive utilization. The successful practice of the Hospital Information System lays a firm foundation in the constructing of the social health care web.This article discusses the methods and the main process of the Hospital Information System development in detail. On the Hospital Information System definition, status and development trend, it introduces the system design concept, principles and functional characteristics .The article also introduces the UML's development history, basic concepts and basic elements systematically, and how to apply the UML modeling technology in the system, using class diagrams to extract the user requirements, using timing diagrams and activity diagrams to describe the system of business processes, using the class diagram describe the static characteristics of various objects and their interaction. At the same time, the article makes a corresponding presentation about the system design and development, focusing on database design and subsystem module design, combined with SQL Server 2005 and PowerBuilder9 programming, coming into the creation of database and the implementation of the module. Finally, the article makes a number of solutions about how to optimize the system functions, then, summarizes the work done of this article and makes prospects of the follow-up work.The system described in the article has already operated successfully in the First Affiliated Hospital of Zhengzhou University more than three years. The successful implementation of the system greatly enhanced the level of hospital management, increasing the hospital' s economic income, reducing the majority of health care staff for their work intensity, and achieved good economic and social benefits.