Muscle atrophy in the buttocks can be treated as follows: 1. First, the primary disease causing such symptoms should be treated. For the possible primary diseases of this symptom, there are diseases like poliomyelitis, lumbar disc herniation or sciatic neuritis. The first step is to treat the primary disease thoroughly.2. A series of external treatments should be administered here. It is recommended that such patients can go to a regular Chinese hospital acupuncture and massage department to do acupuncture, massage, cupping, Chinese medicine fumigation, baking electricity, hot compresses and other physical therapy. 3, on the basis of the above treatment, patients should also do sufficient functional exercise. For the functional exercise here, divided into two parts: active exercise and passive exercise. The former requires patients to actively practice active activities involving the hip. For example, patients can practice squats or reverse straight leg raises with the help of others. The latter requires the patient’s family to help him or her passively do hip stretching in four directions: front, back, inside and outside.4. Patients must pay attention to maintaining a diet high in protein, calcium and vitamins. In general, patients are recommended to eat more fish, chicken, lean meat, milk, eggs and a lot of fresh fruits and green vegetables.