The article considers the issues on cognitive styles and tools to analyze humanitarian and engineering students’ styles. The author considers Cognitive Style Index of Allinson and Hayes as a tool for analyzing cognitive styles. Cognitive Style Index is the analysis of continuum of different cognitive categories. The research results can help to develop effective technologies in teaching foreign languages for humanitarian and technical students. Moreover, in the article we give the number of exercises based on cognitive styles of humanitarian students. The method of organizing the exercises based on the research may be a helpful tool for the lectures of any foreign language.