After cesarean section, some patients responded that the pain at the site of injection of anesthesia drugs, whether it is due to lumbar spine pain caused by anesthesia for cesarean section. Lumbar spine pain is divided into a variety of reasons, as follows: 1, such as the cesarean section women who have had intrathecal anesthesia, may be due to the mechanical trauma of anesthesia, puncture process caused by tissue, ligament injuries, caused by the puncture site of the pain, this pain will be slowly recovered in the postoperative period of 2-3 days; 2, the more serious, it may be the puncture process of nerve damage, nerve has puncture injury, the general response to the lower extremity muscle strength or Movement disorders; 3, part of the pregnant woman itself, because of pregnancy huge fetus in the lumbar spine anteriorly tilted, there are spinal nerve pull; contraction pain before delivery, long-term amputation position caused by the sciatic nerve or the sacrococcygeal nerve is pulled. Itself has lumbar spinal stenosis or vertebral osteophytes, before there have been neurological symptoms, in the process of pregnancy is considered to be the contraction was covered up, after the birth of the feeling of special pain in the lumbar region; 4, there are some patients after the birth of up to six months a year of recurring pain in the lumbar region, may be with its breastfeeding posture is not appropriate, long-term lumbar bending position, as well as due to the care of young children, housework, too much strain caused by the lumbar muscle strain, or due to the time of sitting on the moon too, the lumbar muscles are not properly exercised. No proper exercise can also cause lumbar pain.