The method of correcting an unstraightened back is determined by the cause of the condition. Generally, the common causes are related to physiological bending, lumbar muscle strain, trauma, lumbar disc herniation, etc. The treatments taken include physical therapy, medication and surgery. 1. Physiological bending: physiological lumbar bending can be corrected by local traction. 2. Lumbar muscle strain: when long time bending low head work or long time lumbar weight bearing, there will be lumbar muscle strain, at this time need to correct the bad posture, through the rest after relief. 3. Trauma: when trauma causes lumbar vertebrae fracture, there will also be the phenomenon of lumbar not straight, this time to consult a doctor in a timely manner to determine the degree of fracture after targeted treatment. 4. Lumbar disc herniation: when mild lumbar disc herniation leads to lumbar pain that can’t be straightened, it can be treated by local physical therapy, acupuncture, traction, taking drugs such as ibuprofen, nimesulide, etc., and surgery is needed for serious cases. If the symptoms of lumbar pain persist and cannot be relieved by the above methods, it is recommended to consult a doctor promptly. The above medications should be used in a standardized and rational manner under the guidance of professional physicians and pharmacists.