Children’s fracture, the plaster removed after the extension is not straight, is due to the fracture of the muscles around the contracture, adhesion, silt mechanization, treatment methods are as follows: First, strengthen the functional exercise, you can kick sandbags or tie a sandbag on the foot, flexion and extension functional exercise. Second, local hot compresses, you can use a hot towel or hot herbal water immersion, collapse stains, hot compresses, to play the role of soothing and activating the tendons. Third, you can cooperate with local physical therapy, with TDP, intermediate frequency, ultra-short wave irradiation, etc., to restore the joint flexion and extension function. Under the guidance of professional massage therapist, you can also do massage, massage, peeling adhesion, loosening contracture, so as to restore the function of flexion and extension of the joints.