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International research essays on corrosion inhibitors from 2005 to 2020 from the Web of Science core collection were retrieved・ The development status and trend changes of corrosion inhibitors are obtained from research directions, international cooperation，institutional cooperation，co-citation analysis and keyword analysis using the analysis platform CiteSpace・ The analysis revealed that corrosion inhibitors are widely used in the fields of materials science and chemistry, China has the most number of articles (accounting for 21 ・ 04%), but the centrality is losser(0. 01); Morocco has a higher number of articles (accounting for 4.23%) and centrality (0. 23), indicating that its research depth and breadth, cooperation density with other countries，and radiation influence on corrosion inhibitors are prominent; Chinese Acad Sci, King Fahd University Petr & Minerals and North West University are the main research institutions, accounting for 2. 82%，2・ 19%, and 2. 19%，respective】y・ Their attributes belong to the university, indicating that academic institutions value and contribute to the field・ At present，corrosion inhib让ors are beginning to develop in the direction of high efficiency, non-toxicity, and environmental friendliness. [ABSTRACT FROM AUTHOR]