Buttock pain can be caused by the following reasons: first, lumbar disc herniation, lumbar disc herniation can radiate to the buttock when serious, can be in the bending, in the appearance of low back pain at the same time accompanied by pain above the buttock, this time to be early checkups, early lumbar spine shot MRI, CT to diagnose. Second, lumbar dorsal myofasciitis, lumbar dorsal myofasciitis patients can also appear back pain, accompanied by pain in the buttocks above the buttocks, which should be diagnosed by early checkups and examinations to exclude other diseases. Third, sacroiliac joint disease, when there is rheumatoid spondylitis or ankylosing spondylitis, there can be bending back pain, accompanied by pain in the buttocks above the sacroiliac joints, this time to early lumbar spine X-rays, MRI, and blood tests for early diagnosis.