Lumbar disc herniation, a common condition. Typical symptoms: Low back pain plus sciatica. It’s a long story, we crawled before we evolved to walk upright. Between each of our lumbar vertebrae, there is an intervertebral disc, like a spring. When crawling, the discs were under very little pressure. After standing upright, the pressure on the intervertebral discs increases significantly. Over time, the intervertebral disc finally bear i can not stand the pressure, the elasticity of the decline, backward protrusion. When it protrudes, it presses on the nerve behind it, so sciatica occurs. (Because this nerve is responsible for the feeling of the leg). Therefore, this disease, pain (or numbness) in the legs, the root of the disease in the waist. How to cure? 1, bed rest, the first week should be absolutely bedridden, that is, even urination and defecation should be in bed. After that, gradually increase the time to go down to the ground. 2, traction massage. About half of the patients may be relieved or cured. 3.Surgery. If conservative treatment is ineffective, surgery should be performed.