This article uses CiteSpace software to visually analyze the collected domestic and foreign literature in
the field of polygraph detection, taking the annual number of articles, the distribution of authors, institutions and
journals as the research content, and reveals the source of the literature in the field of polygraph detection at home
and abroad. Distribution of authors and institutions. Through the analysis of keywords, the research hotspots
and the development of research topics in this field are explained. Finally, the research is summarized, and the
development of the polygraph field in our country is prospected.