Sudden pain in the lower back that prevents movement requires bed rest, avoiding weight bearing on the lower back, and identifying the cause for treatment. Sudden pain in the lower back, the first thing to do is to bed rest, reduce the weight bearing and stress on the lower back, you can also use ibuprofen and other drugs to relieve the pain. At the same time to identify the cause, if it is caused by exertion sprain, can be through acupuncture, moxibustion physical therapy to help recovery; if the lumbar disc herniation caused by the need for lumbar spine traction; if it is a fracture of the lumbar vertebrae caused by trauma, if necessary, to carry out surgery. Lumbar pain is a common symptom, if the symptoms of lumbar pain after rest did not have any relief, and the condition is progressive aggravation, must go to the regular hospital in a timely manner, X-ray film and magnetic resonance examination, according to the specific cause of the treatment, pay attention to rest during the treatment to avoid aggravation of the condition.