Physical education class, Tianjin University of Technology, is a bodybuilder. Its main contents include body training (posture), action maintenance, basic skills (basic footwork technology, etc. ), dance training, swimming, brisk walking, jogging, cycling, all aerobic exercises. Bodybuilding course in colleges and universities can comprehensively enhance college students' physique, adjust their psychology, improve their mental outlook, meet the needs of the coordinated development of college students' body and mind, has comprehensive fitness value, is a part of sports, integrates sports and art, and has the functions of shaping college students' body, improving their physical and mental health and improving their own quality.