Functional exercises for supracondylar humerus fractures need to be combined with specific treatment measures. In case of conservative treatment with cast fixation, the main exercises during the fixation period are forearm fist clenching, wrist joint and finger flexion and extension training. In addition, the shoulder joint back and forth swing and partial abduction training, cast fixation for about a month, after the removal of the cast and then gradually elbow joint flexion and extension and forearm rotation training, exercise needs to be gradual, avoid too rough, otherwise may cause fracture dislocation, if the choice of surgery internal fixation treatment, within a week after surgery is mainly fist clenching, forearm muscle contraction and shoulder joint activities and other training. About one week after surgery, after the local wound healing, you can do early elbow flexion and extension and forearm rotation activities. Functional exercise can be performed every two hours for about ten minutes, gradually, and the total time of exercise can be about one hour a day.