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现代信息技术的发展大大地推动了医院数字化的建设，其中，电子病历在整个医院信息系统的发展中扮演了重要角色。针对目前医院信息系统内以及医疗机构(主要是医院)间的信息孤岛问题，特别是中小型医院信息系统建设经费较不足，重建信息系统难度大，文章提出了面向区域医疗并基于SOA(Service-Oriented Architecture)建设新型电子病历系统架构。该系统架构主要由电子病历核心和临床数据中心两大模块构成，提高了医院信息系统的工作效率，并为区域医疗的实现提供了实现模型。“,”Development of modern information technology has greatly promoted the construction of digital hospital,meanwhile EMR (Electronic Medical Record System) plays an increasingly important role in improving the ef iciency and quality of hospital staf and services. For the problem of information silos in hospital and between dif erent hospitals (especial y smal and medium hospitals are dif icult to reconstruct information system because of being lacking in funds), this paper presents developing a new electronic medical records (EMR) system based on regional medical and SOA (Service-Oriented Architecture). The system architecture is mainly composed of electronic medical records and clinical data center.And it can improve the ef iciency of hospital information systems, and provide an implementation model for regional medical implementation.