Parallel bars is one of the gymnastics equipment. Supported by a variety of parallel bars, hanging arm in a bar or two bars forward, sideways, draping do all kinds of swing, swing more, flexion and extension, curved, twist, loop, roll, flip and various static posture and force action. Its action is rich in content, type comprehensive, Jane has a complex, there tend to have difficulty, in the bar, the bar side, the bar, the bar transformed under a variety of actions, mainly by static and dynamic actions. Right to exercise, develop strength, plays an important role. Parallel bars exercise mainly students under the burden of its own weight, the development of support and support typical swinging motion exercises. Right to make up for the power of the upper limbs and trunk uneven development has an important role. By teaching parallel bars, and can effectively develop students' upper limbs, shoulder strap, torso muscles strength, especially for the deltoid, pectoralis major, abdomen, back muscle development has a significant effect, so that the elbow, shoulder, waist joints, ligaments flexible and flexibility is enhanced.