The waist can not be bent, a bending pain can be treated according to the following conditions: first, herniated disc, the disc protrudes backward to compress the nerve causing lumbar pain, clinical manifestations of lumbar pain accompanied by lumbar straightening, lumbar spine physiological curvature disappeared, bending the pain symptoms increased. Treatment methods include lumbar traction, 1-2 times a day, 30 minutes each time, can make the lumbar spine gap widening to reduce, intervertebral disc compression of nerves, relieve lumbar pain symptoms, can also take oral non-steroidal anti-inflammatory analgesic drugs such as, loxoprofen sodium, can reduce nerve inflammation and pain. Second, lumbar muscle strain, is a chronic accumulative injury of the lumbar region resulting in lumbar muscle congestion, edema, clinical manifestations of lumbar pain, especially when bending pain is obvious, lumbar muscle is stimulated by pulling, through the nerve reflex can cause lumbar pain. Treatment methods include massage, physiotherapy and acupuncture, which can promote local blood circulation and promote the repair of lumbar muscle tissues to relieve spasm and pain symptoms.