Abstract: Taking the undergraduate students in Anhui University of Technology as the research object, this paper investigates the current situation of critical thinking ability of college students in the form of questionnaire. Results show that the students in the local engineering college have weak critical thinking tendency. Therefore, colleges and universities should consciously cultivate students' critical thinking in the process of education and teaching, strengthen the association between family and school, create a good atmosphere at home and school, so as to improve students' critical thinking quality.