Abstract: This paper searched the papers on sci-tech novelty retrieval in recent 5 years in CNKI database, extracted and defined high-frequency keywords. Then it established the co-word matrix and dissimilarity matrix of keywords to conduct network analysis, cluster analysis and strategic diagram analysis by SPSS and UCINET. The result showed that sci-tech novelty retrieval in China focused on 9 research themes including composition elements of sci-tech novelty retrieval, roles of sci-tech novelty retrieval in sci-tech innovation, technologic points of sci-tech novelty retrieval and its novelty, literature search and database, influence factors of novelty retrieval quality, quality control and evaluation, management system, medical and health novelty retrieval, existing problems and countermeasures, which were then elaborated one by one in detail. Through discussing the connotation and characteristic of above mentioned research topics, it tried to provide decision-making reference for stimulating the development of sci-tech novelty retrieval.

Key words: Sci-tech novelty retrieval