阐述在开放获取运动的推动下,机构知识库作为新型的学术交流方式和开放获取活动的“绿色通道”日渐成为国内外图书情报界关注的热点与焦点。分析日本机构知识库产生的背景、发展历程、日本国立情报学研究所对构建机构知识库的支援措施以及构建现状,希望能对我国机构知识库的构建起到一定的借鉴作用。 In the light of the open access movement, the “green channel” of institutional repository as a new form of academic exchange and open access activities has increasingly become the focus and focus of the domestic and overseas librarianship circles. This paper analyzes the background and development course of Japanese institutional knowledge base, the support measures of Japanese National Institute of Informatics and its construction, and hopes to provide a reference for the construction of Chinese institutional knowledge base.