Lower back pain one month after tubectomy may be caused by the sequelae of anesthesia, pelvic inflammatory disease, lumbar spine disease and so on. It is recommended to consult a doctor in time to find out the cause and treat it under the doctor’s guidance. 1. Sequelae of anesthesia: If tubectomy is performed with epidural anesthesia, it is punctured in the lumbar vertebrae, which causes damage to the tissues around the lumbar vertebrae in the process of operation, and it takes some time to recover after the operation, and there may be symptoms of back pain one month later. 2. Pelvic inflammatory disease: Inflammation may be caused by secondary infection after tubectomy, and the inflammation affects the pelvis, sacral ligament and peritoneum, which may cause back pain. 3. Lumbar spine disease: overwork after one month after tubectomy may cause lumbar muscle strain, and the symptoms of lumbar pain will appear. Patients who originally had lumbar disc herniation may also experience low back pain one month after surgery. There are other causes of back pain after tubectomy, it is recommended to go to the hospital, improve the examination, clarify the cause and diagnosis, and standardize the treatment under the guidance of the physician.