：文章采用内容分析法，识别出近十年来高频使用的图书馆学理论，梳理出图书馆学理论使用的15类研究主题，并通过时序演化分析将这些主题归纳为高频使用、中频使用、低频使用和开发成长四类，最后提出了理论放置、理论对话、理论应用、理论评估与理论生成等五种我国图书馆学理论的使用方式。对1703篇文献进行内容分析显示：（1）图书馆学基础理论的探索不足，出现了数字人文、大数据应用、学术交流、信息素养等新兴研究主题，图书馆学要不断夯实理论根基，挖掘新的学科增长点；（2）理论使用方式中理论放置占比最多，理论生成占比较少，要鼓励理论的创新，促进图书馆学的可持续发展。

A content analysis was conducted to identify the library theory of high frequency use in the past decade. We coded 15 research themes used in library theory, and classified these topics from high to low frequency use and growth through time series analysis. Five ways of the usage of theory were proposed. The content analysis of 1703 articles shows that: (1) The basic theory of library science is insufficiently explored, and new research themes such as digital humanities, big data application, academic social network and information literacy have emerged. Theoretical foundation should be constantly consolidated, and new discipline growth points should be explored. (2) The use of theory has the largest proportion of theory placement, and theory generation accounts for the smallest proportion. It is necessary to encourage theory innovation to promote the sustainable development of library science.