Pain inside after obsolete lumbar osteotomy and orthopedic surgery may be due to postoperative reaction, underlying disease, improper rehabilitation and other reasons. 1. Post-operative reaction: After the obsolete lumbar osteotomy and orthopedic surgery, if the wound is not treated properly, the fixator is dislocated, the postoperative scar is adherent, the coagulation is abnormal, and the hematoma appears, it will lead to the appearance of pain. 2. Basic diseases: If the patient himself suffers from diabetes, hypertension, arteriosclerosis, vasculitis and other basic diseases, the body’s blood supply function and blood circulation function is affected, coupled with the surgery caused by vascular damage, resulting in a slower postoperative recovery period and the emergence of pain. 3. Improper rehabilitation: If the postoperative rehabilitation treatment is improper, too much exercise and overwork, it will aggravate the postoperative recovery and cause pain, so you have to pay more attention to rest and avoid exertion in daily life. If the pain inside after obsolete lumbar osteotomy and orthopedic surgery can not be effectively relieved, you should go to the hospital in time for examination and treatment of the cause.