Back and buttock pain at the same time, there can be the following reasons: First, lumbar disc herniation, lumbar disc herniation, can compress the nerve and lead to back pain, accompanied by buttock pain and discomfort, double hip pain and discomfort, it is necessary to shoot lumbar spine CT, MRI, to early diagnosis and treatment. Second, lumbar dorsal myofasciitis, lumbar dorsal myofasciitis is often due to cold, exertion and lead to lumbar pain, at the same time can be radiated to the buttocks, hip pain and discomfort, early checkups and examinations, to exclude other diseases to diagnose and treat. Third, lumbar spinal stenosis, lumbar spinal stenosis can also compress the nerve root, and lumbar pain, accompanied by buttock discomfort, early lumbar spine X-ray, CT, MRI, to early diagnosis and early treatment.