Abstract: Comprehensive quality education is the main mode of college students′ education.To improve comprehensive quality of agricultural college students majoring in agricultural mechanization，three aspects were analyzed.First，improving their professional ability，including strengthening understanding of agricultural machinery application ability of two-dimensional and three-dimensional software and the hands-on production ability of students majoring in agricultural mechanization.Second，improving basic ability，including understanding of agricultural machinery，mathematics，physics and other basic knowledge，as well as the improvement of reading ability of foreign literature.Third， cultivation and improvement of their own quality，including professional ethics and social ethics education.The cultivation of comprehensive quality of agricultural mechanization is to train advanced agricultural machinery professionals with innovative spirit.