In short, students 'physical exercise is a long-term process. Physical education teachers should change their ideas, fully recognize the importance of physical exercise, infiltrate physical exercise at all stages of teaching, cultivate and improve students 'physical fitness, and build and enrich students' knowledge and skills. According to the type of activity, the content of the activity, the form of activity organization, the level of physical and mental development, and the characteristics of sports and physical education, the scientific and reasonable arrangement of structural activities, and the flexible mastery and application of practical operations. Strengthen students 'physical health and promote students' physical and mental health development.