Imaging alone reports no surgical indication for lumbar disc bulge, the following cases require surgery: 1, lumbar disc herniation in the case of conservative treatment is ineffective, there is an indication for surgery. Conservative treatment is ineffective, that is, after more than 6 weeks of systematic conservative treatment, bed rest, oral medication, etc., pain and numbness are not relieved, then the patient needs surgery; 2, some patients have intolerable pain, surgery can be considered; 3, there are nerve damage manifestations, such as lower limb weakness, numbness, muscle atrophy, need to immediately consider surgery; 4, large nucleus pulposus protrudes into the spinal canal, resulting in cauda equina nerve compression, causing anal area numbness, urinary and fecal disorders, requiring emergency surgery.