Based on the related statistics about the national physical fitness tests and by looking through related document, the essay analyzes the reasons that influence the decline of students’ physical fitness. It also puts forward the combined teaching method, further analyses the validity of the current teaching method based on the actual situation of our school, and publishes a complete set of teaching materials, then combines sports with teaching, enhance after-class training and scientific research to motivate students’ interest of exercise, and to achieve the whole of improvement of students’ physical fitness.