The diagnosis of lumbar disc herniation is specifically as follows: 1. history of trauma and strain, i.e., pursuing the patient with a history of lumbar sprain or sedentary, work history or driving history, prompting examination of the patient’s clinical manifestations; 2. symptoms and signs, after lumbar disc herniation, the main manifestations are lumbago, sciatica, scoliosis or straightening of physiological curvature, positive elevation test, positive strengthening test, there will be muscle atrophy, muscle weakness, loss of tendon reflexes, and abnormal skin sensation can also occur. Therefore, during the diagnosis, the doctor will ask the patient to come to the diagnostic bed to do the straight leg elevation test, raising the leg to 70 degrees in normal people, but only to 20-30 degrees in patients with disc herniation, and hooking the toe upwards, which is called the strengthening test, which will be positive, suggesting the presence of lumbar disc herniation; 3. The final diagnosis needs to be made by imaging, currently mainly CT of the lumbar disc, or MRI of the lumbar spine, and a few patients also need to do electromyography to locate the diagnosis.