以1998-2017年CNKI期刊论文为文献来源，通过对论文关键词的总体趋势与分阶段共现分析，总结国内图书馆空间研究的热点主题及演进态势，以期为后续研究及实践提供参考。研究发现，热点主题具有多层次性，总体趋势分化明显，阶段性特征显著。图书馆空间研究热点主题偏向于具体空间类型的实践类借鉴与总结，应进一步加强基于学科特点和本土特色的基础性理论研究和思考。

Taking the CNKI periodical papers from 1998 to 2017 as the source of literature, this paper analyzes the general trends and stages of the keywords of the papers. The hot topic and evolution trend of the domestic library space research is summarized, which provides a reference for the followup research and practice. It is found that the hot topic has a multilevel character, and the general trend is obviously differentiated, the characteristic of the stage is remarkable. The hot topic of the library space research is inclined to the practice type of the specific space type for reference and summary, and it should further strengthen the basic theoretical research and thinking based on the characteristics of the subject and the local characteristics.