For bone shrinkage, the following treatments can be taken. First, once this condition has occurred, the primary disease causing the condition must first be treated thoroughly. For example, some patients may have ischemic necrosis due to embolism of the blood vessels in this area. Or the condition may be caused by an infection. In this case, only thorough treatment of the primary disease is required before the next step can be taken. Second, for this symptom, drugs that activate blood circulation, improve local microcirculation, and promote bone formation can be used for treatment. Third, for this condition, physical therapy such as acupuncture, massage, hyperbaric oxygen, and Chinese herbal fumigation can be done to promote the recovery of such patients. Fourth, for this kind of patients can take oral Chinese medicine soup for a period of time. There are many herbs that promote bone formation in Chinese medicine, and there are tonics that have good effects on the treatment of such symptoms. Fifth, for such patients in the recovery period need to do the corresponding functional exercise under the guidance of the doctor to promote the better recovery of the disease. Sixth, for some cases where the degree of reduction is particularly serious and leads to serious deformity or dysfunction, orthopedic surgery is needed to treat the condition. For example, bone lengthening surgery or bone grafting surgery.