Clinical manifestations of lumbar disc 1, lumbar pain is the most common symptom of lumbar disc herniation, but also early symptoms, more than 95% of patients have this symptom. There are many reasons for producing lumbar pain, except for very few patients who are caused by acute trauma, the rest are due to chronic strain, degeneration, and then further occurrence of disc herniation. 2, lower extremity radiating pain in the femoral or sciatic nerve area, because the herniated disc presses one side, so it forms unilateral femoral or sciatic nerve pain, the radiating pain starts in the buttocks and gradually radiates downward, but which part is radiated is decided according to the site of the herniation. Of course, in the case of central disc herniation, there can be sciatica on both sides, and the neuralgia can be numbness, tingling, and swelling, and can also be aggravated by coughing and sneezing. The pain can also be aggravated by walking or standing for too long. Some patients show persistent pain and numbness, and the symptoms affect walking activities in heavy cases, and paralysis of the lower limbs in severe cases. Diagnostic criteria] 1. Mostly seen in young and middle-aged patients with radiating pain in the lower limbs. 2. Clinical manifestations (1) Lower back pain. (2) Nerve root compression symptoms lower limb radiating pain and numbness; straight leg raising test is mostly positive. (3) Sensory, muscle strength and functional impairment. (4) Tendon reflex changes. 3.X-ray film gap changes, scoliosis, mainly for identification. 4.CT, MRI, vertebrogram, CTM protrusion height > 1/3 of the sagittal diameter of the vertebral canal. 5.Selective nerve root imaging. 6, EMG large P-wave or fibrillation potential.