According to the demands of information construction in regional medical treatment,the data in information sys-tem of basic business belonged to each organization in a region must be exchanged and shared. It is difficult to exchange data in-side a medical organization and between different medical organizations due to the difference in development platforms of and da-ta environments. In the light of this problem,based on HL7 standards of medical information,a heterogonous medical data in-teractive platform was established by taking XML as the data description language to realize optimization and effective applica-tion of medical resources.%区域卫生信息化建设要求规划区域内各机构的基本业务信息系统的数据可实现交换和共享。医疗机构内部及医疗机构之间因采用的开发平台和数据环境不同，相互间很难进行数据交互。针对这一问题，基于HL7医疗信息标准，采用XML为数据描述语言，建立异构医疗数据交互平台，实现医疗资源的优化配置和有效利用。
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