Pain on both sides above the buttocks can be caused by the following reasons: first, gluteal myofasciitis, patients with gluteal myofasciitis can have pain on both sides of the fascia above the gluteal muscle, often due to cold and exertion, which should be diagnosed by early checkups and examinations to exclude other diseases. Second, lumbar dorsal myofasciitis, lumbar dorsal myofasciitis can involve the fascia above the buttocks bilaterally when it is serious, resulting in pain above the buttocks on both sides, often due to cold, exertion after the pain is very serious. Third, lumbar disc herniation, lumbar disc herniation patients have lumbar pain at the same time, can be accompanied by pain on both sides of the buttocks, can also be accompanied by discomfort in both hips, then check the lumbar spine of the MRI, CT to diagnose and treat. Fourth, rheumatoid disease, when there is rheumatoid spondylitis or ankylosing spondylitis, can also involve both sides of the sacroiliac joints and lead to pain on both sides of the buttocks, there can be morning stiffness, this time to shoot the sacroiliac joints X-ray, lumbar vertebrae X-ray, blood tests for early diagnosis and treatment.