Oil crops occupy an important position in the world economy in the past twenty-five years. The production of oil crops has increased twice and oil products are mainly used for food, fodder, mechanical, smelt, soap, paint, rubber, plastic, medical and other areas. Information visualization provides new ways for scientometrics and knowmetrics in recent years. This paper does the visual analysis of international oil crop. Based on analytic techniques such as co-citation analysis, co-appearance analysis and information visualization, this paper maps the co-citation network, hot words of most cited papers and front words of oil crop using the CiteSpace software. It identifies the content of high cited documents, analyzes the research focus of international oil crop.