Clinical causes of sciatic nerve pain in the buttocks are very many reasons, such as the patient’s recent period of cold and fever or cold stimulation, moisture or the presence of tonsillitis and other problems, the patient will appear sciatic neuritis and cause pain symptoms. Patients with lumbar spine problems, the presence of lumbar disc herniation, lumbar spinal stenosis, lumbar spondylolisthesis or lumbar spine tumors, the spinal cord nerve roots will be significantly compressed, will also cause patients to appear sciatic nerve pain, such patients usually need to actively carry out lumbar spine CT and MRI examination. The presence of pear-shaped muscle syndrome can also cause sciatic nerve pain symptoms, clinical causes of sciatic nerve pain in the buttocks or more reasons.