The students who have chosen table tennis as their course in four classes from Grade 2020 are selected as the research subjects in Jilin Institute of Chemical Technology, in the research, the "1+1+X" teaching model is compared with the traditional teaching model in public physical education class by using the research methods of questionnaire survey, mathematical statistics, teaching experiment and logic analysis. The results show that: in the university public physical education class, with the implementation of the "1+1+X" teaching mode, students’ physical quality have been comprehensively improved, and they have set up the idea of lifelong exercise. All the results show that the education effect is remarkable and the mode is easy to be popularized.