Patients with recurved calves can be corrected by the following methods: first, strengthening exercise: if the recurved calves are caused by insufficient muscle strength around the knee joint, muscle exercise should be strengthened, especially resistance training, to enhance the stability of the knee joint, and correct the recurved calf deformity. Secondly, arthroscopic surgery: if the recurved calf is caused by the laxity of the posterior cruciate ligament in the knee joint, arthroscopic surgery should be chosen according to the results of nuclear magnetic and physical examination to rebuild the posterior cruciate ligament, restore the stability of the joint, and correct the recurved calf deformity. Thirdly, osteotomy and bone grafting: if the calf is caused by the calf bone factor, it is necessary to consider osteotomy treatment, and at the same time in the local bone grafting and fixation, to correct the deformity of the calf backward bending. Through the above methods of active treatment, can make the calf backward deformity get significant relief. Patients should also pay attention to the protection of the calf in normal life to avoid the occurrence of the above lesions.