The flow of brown discharge with lumbar pain may be caused by physiological factors, may also be caused by pathological factors, such as uterine fibroids, pelvic inflammatory disease, kidney stones, urethritis, etc., need to clarify the specific causes of the disease and then targeted selection of treatment programs. Physiological factors: 1, menstruation: women menstruation, if the menstrual blood is less, mixed in the leukorrhea will appear in the phenomenon of brown discharge, but also may cause pain in the lower back and abdomen, manifested as a flow of brown secretion accompanied by lumbar pain, if there are no other abnormalities, you can not be a special treatment; 2, ovulation: women in the period of ovulation, the secretion of estrogen may trigger a small amount of vaginal bleeding, mixed in the leukorrhea will appear in the flow of brown discharge, and then the ovulation is not a special treatment. The symptoms of brown discharge with back pain will appear in the leukorrhea, which is a normal situation and most of them don’t need special treatment. Pathological factors: 1, uterine fibroids: benign tumors of the uterus composed of uterine smooth muscle and connective tissue, which may manifest as irregular vaginal bleeding, abdominal pain, and increased vaginal discharge with foul smell, etc., which may lead to the symptoms of brown discharge with back pain, and can be considered to be treated by ultrashort wave or surgery, such as leiomyectomy; 2, pelvic inflammatory disease (PID): an infectious disease that occurs in the upper female genital tract and its surrounding tissues. Pelvic inflammatory disease: it is an infectious inflammation that occurs in women’s upper reproductive tract and its surrounding tissues. Common symptoms include lumbosacral pain, lower abdominal pain, increased vaginal discharge, irregular vaginal bleeding, etc., which can lead to the phenomenon of running brown discharge with lumbago, and can be treated by red light or ultrasonic wave treatment, together with topical suppositories, such as elimination of celiac disease suppositories, etc.; 3. Kidney stone: it refers to the formation of solids made up of minerals and salts in kidneys, and the common manifestations are lumbago and bloody urine, etc., which can lead to the phenomenon of running brown discharge with lumbago. The common manifestations are low back pain and hematuria, which can lead to the phenomenon of brown secretion with low back pain. Extracorporeal shock wave lithotripsy and surgery, such as percutaneous nephrolithotripsy, can be chosen for treatment; 4. Urethritis: It refers to the inflammation and infection in the entire urethra, which leads to edema of urethral endothelium as well as increase in secretion, which is usually a yellowish-purulent or brownish secretion, and some of the patients are accompanied by itchiness and pain, which can lead to the flow of brown secretion with low back pain. The discharge is accompanied by back pain, which can be treated with penicillin or minocycline, erythromycin and other drugs.