In order to explore the training quality of master's and doctoral students in China,a certain number of samples of doctoral and master's graduation dissertations graduated from eight mechanical majors in the past three years are selected to carry out statistical analysis this paper.The statistical analysis results aim at the main achievements of the graduate stage:papers and patents.The sample universities include both key universities and general universities.The achievements include both first-author/inventor achievements and non-first-author/inventor achievements,as well as high-level achievements and general achievements.Overall,doctoral students are significantly more competent than master's students;key universities excel overall and general universities excel locally.