通过实证研究的方法,分析和研究我国跨系统区域图书馆联盟的要素和运行状态。选取“上海文献资源共建共享协作网”与“江苏省工程技术文献信息中心”两个较为成功且具代表性的实例进行对比,从联盟组织形式、资金来源、运行模式与机制、成果效益等方面调研目前国内有关跨系统区域图书馆联盟的发展近况。 Through the methods of empirical research, this paper analyzes and studies the elements and operational status of the cross-system regional library alliance in our country. This paper compares the two successful and representative examples of “Shanghai Document Resources Co-construction and Sharing Network” and “Jiangsu Engineering and Technical Documentation Information Center”, from the aspects of alliance organizations, sources of funds, operation modes and mechanisms , Results and other aspects of the current research on cross-system regional library union development status.