Sudden pain in the lumbar spine, there may be the following reasons: 1, sleeping and living in a cold and damp environment, after a night’s sleep, the lumbar fascia felt the cold and damp stimulation of acute inflammation, tissue blood circulation is impeded, adhesions, triggered by acute lumbar fasciitis. Fasciitis will be appropriate activities, and make the symptoms get some relief; 2, if the lumbar pain, accompanied by a sudden inability to do twisting waist or bending movements, because of poor posture caused by the lumbar vertebrae small joints are misaligned, caused by lumbar spine pain symptoms. At this time after the manipulation of reset, can make the pain immediately disappear; 3, to exclude whether there is a fall, lifting heavy objects, excessive exercise and labor and so on this kind of trauma, a part of the lumbar sprain patients, are to the injury after a few days, only after the symptoms of lumbar pain; 4, also want to exclude kidney stones and other surgical diseases caused by sudden pain in the lower back.