Pain in the buttocks, also known as pain in the upper part of the buttocks, can be caused by the following reasons: first, gluteal myofasciitis, gluteal myofasciitis is often due to cold in the morning, exertion, resulting in chronic aseptic inflammation of the fascia and the emergence of pain, often in the morning when the pain is more significant, after a while in the activities can be improved. At this time, early physical examination and inspection, to exclude other diseases to diagnose; second, gluteal epithelial neuritis, gluteal epithelial neuritis can also have pain in the upper buttocks, often a palm area size, can be a stabbing pain or hidden pain. At this time to early diagnosis, nutritional nerve treatment and physical therapy; third, lumbar spine disease, when the lumbar disc herniation or lumbar spinal stenosis compression of the nerves, can also have pain above the buttocks. At this time, we have to check the lumbar intervertebral disc CT, MRI to diagnose and treat; fourth, sacroiliac joint disease, when the sacroiliac joint has sacroiliac arthritis, dense osteoarthritis, or when the sacroiliac joint is involved in other reasons, there can be pain above the buttocks at the sacroiliac joint. At this time, the sacroiliac joint should be examined X-ray film, CT and blood test to diagnose.