中国科学院文献情报中心（北京）知识库

[Purpose/significance] This paper aims at the problem of "cut-off supply" of resources (especially scholarly software) that China is facing and may continue to face, and puts forward some solutions for reference. [Method/process] From the two aspects of special problems of long-term preservation of scholarly software and new problems of fair use of long-term preservation of scholarly software, this paper analyzes the selection of type, version and the scope of authority of long-term preserved scholarly software, and summarizes the fair use situation, scope of fair use, disclaimer and citation mode of long-term preserved scholarly software. [Result/conclusion] The scholarly software commonly used by researchers should be included in the long-term preservation system of digital resources, but the possibility and necessity of preserving scholarly software requires investigation and analysis of information users and services; new problems caused by the cut-off of scholarly software supply should be analyze and answer from the perspective of data rights.