Lumbar intervertebral disc herniation (lumbar intervertebral disc herniation) is a common and important cause of low back pain. Lumbar intervertebral disc degeneration is the basic cause of lumbar intervertebral disc herniation. 18 years old when the disc began to degenerate. Etiology: 1, trauma 2, occupation: drivers, workers and weightlifters 3, pregnancy 4, genetic predisposition factors 5, lumbosacral congenital anomalies: lumbar spine sacralization, sacral vertebrae lumbarization or asymmetric synovial joints Manifestations: 1, lumbago and sciatica: lumbosacral, posterior gluteal, posterior and posterior thighs, calves to the heel or dorsum of the foot and other places of the pain, stooping, flexion of the hips, bending the knee position can alleviate the pain. In the advanced stage of lumbar disc herniation, leg pain is heavier than lumbar pain. Lower abdominal pain or anterior thigh pain 3. Numbness, inability to walk long distances, muscle atrophy of the lower limbs. Examination: lumbar spine X-ray, CT and MRI examination Treatment: 1. Conservative treatment:It is suitable for those who have a short duration of the first attack as well as those whose symptoms are significantly relieved after resting, and there is no serious protrusion in the imaging examination. Bed rest is vital, massage, acupressure, traction and steroid epidural injection. 2.Surgery:About 10% to 20% of patients need surgery. It is suitable for those who have been suffering from the disease for more than 3 months to half a year and the conservative treatment is ineffective. Common complications of surgery include vascular injury, nerve injury and pseudospinal cyst.