The buttocks are big and small on one side, which may be due to bad habits, gluteal muscle contracture or fat dysplasia. Patients can be relieved by general treatment or surgery. 1. Bad habits: due to bad standing posture or frequently crossing the legs, caused by the buttocks on one side of the big and small, the patient can be improved by correcting the bad posture, jogging and other exercises in daily life, the buttocks shape is effective in correcting. 2. Contracture of gluteal muscle: contracture of gluteal muscle on one side can also cause the symptom that the patient’s buttocks are big on one side and small on the other side, patients with mild symptoms can be treated by massage and massage, and if the symptom is serious, the diseased muscle needs to be cut off for treatment. 3. Fat dysplasia: Fat dysplasia, caused by the buttocks, can be improved through liposuction or lipofilling surgery to improve the symptoms. If you have a large butt and a small butt, you must go to a regular hospital for treatment, and do not listen to the prescription.