The common causes of lumbar pain include lumbar muscle strain, lumbar degeneration, urological diseases and gynecological diseases. 1. Lumbar muscle strain: including chronic strain and acute injury of the lumbar muscle, because the waist is the weight-bearing part of the human body, daily improper movement, excessive activities and other factors are prone to cause lumbar muscle strain and acute injury, resulting in lumbar pain and lumbago symptoms. 2. Lumbar degeneration: due to frequent lumbar activities, excessive weight bearing, age and other factors, can make the lumbar vertebrae degenerative changes, resulting in lumbar disc herniation, spinal stenosis, lumbar spondylolisthesis and other lesions, which can cause lumbar pain, leg pain and a series of neurological compression symptoms. 3. Urological diseases: such as kidney stones, ureteral stones, and kidney cancer and other diseases, there will be soreness and pain in the lower back. 4. Gynecological diseases: also a common cause of women’s back pain, certain gynecological diseases such as pelvic inflammatory disease and adnexitis, etc., can reflect the symptoms of back pain. The appearance of back pain and other symptoms, it is recommended that patients go to the hospital in a timely manner, by the doctor according to the specific conditions, to develop individualized diagnosis and treatment plan, so as not to delay the condition.