Brown discharge appears for a few days during the non-menstrual period, generally with a small amount of bleeding. The causes may be ovulatory bleeding, luteal insufficiency, vaginitis, cervicitis, uterine fibroids, pre-eclampsia, cervical polyps, etc. The common causes and treatments are as follows: 1. Ovulatory bleeding: after ovulation, estrogen drops, the endometrium sheds and bleeding occurs. Generally, the bleeding is very little and occurs occasionally, manifesting as brown discharge, which disappears on its own after a few days with the end of ovulation, and can be observed or treated with oral medication. 2. Vaginitis: characterized by increased vaginal discharge, accompanied by symptoms such as vaginal itching and burning sensation, and in severe cases, bleeding symptoms can occur, with little bleeding, usually brown or bloody discharge, which can last for more than a few days. The main application is antibiotic treatment. Unmarried women can also change to oral if local medication is not appropriate. In daily life, attention should be paid to personal hygiene and diligent change of underwear; 3. Cervicitis: Patients may experience increased leucorrhea, spotting bleeding, urinary tract irritation signs, and pain in the lower abdomen and lumbosacral area, where spotting bleeding is usually observed as brown discharge with the naked eye due to the small amount, which can last for a few days, and can also be manifested as contact bleeding. Acute cervicitis can be treated with antibiotics according to the etiology of choice. Daily life should focus on sexual safety, fixed sexual partners, the correct use of condoms; 4, cervical polyps: the appearance of intermenstrual or post-coital bleeding, bleeding in small amounts, can be manifested as symptoms of non-menstrual brown discharge that lasts for several days. The patient should consult a doctor in time for polyp removal, post-operative auxiliary hemostatic and analgesic medication, and pay attention to personal hygiene to prevent infection and recurrence; 5. Uterine fibroids: typical symptoms include irregular vaginal bleeding during non-menstrual period, lower abdominal pain, etc. The patient may see the appearance of brown discharge, which lasts for many days. Oral medication can be taken to shrink the tumor and improve the bleeding symptoms. If necessary, surgery can be performed, commonly with open or laparoscopic myomectomy, etc.; 6. Pre-eclampsia: vaginal bleeding first appears in relatively small amounts, mostly dark red or bloody leucorrhea, lasting for more than a few days, also accompanied by lower abdominal or lower back pain. It is recommended to take proper rest and take oral dydrogesterone to supplement progesterone to protect the fetus. If the bleeding stops and the embryo survives by ultrasound, the pregnancy can be continued. If the symptoms worsen and miscarriage is unavoidable, pregnancy should be terminated by timely removal of the uterus. In daily life, women should pay attention to menstrual hygiene, prevent infection, exercise properly, enhance physical fitness and prevent diseases. In addition to the above diseases, gravida and endometrial cancer can also appear as non-menstrual brown discharge. If the symptoms persist or worsen, it is recommended to visit a hospital to identify the cause and treat the cause.