If you have a dark brown discharge from below, it is mainly considered to be related to menstrual blockage, ovulatory bleeding and pre-miscarriage. Patients should receive timely treatment, pay attention to personal hygiene, and ensure rest to promote physical recovery.1. Menstrual blockage: If the patient has a cold body, or takes too cold things during menstruation, it may lead to stagnation of menstrual blood in the body, resulting in poor discharge and black color. Patients can take medicines such as Yimu Cao granules and Jia Wei Yi Yao Wan under the guidance of a doctor to promote the discharge of menstrual blood. At this time, attention should be paid to keeping the abdomen warm to avoid aggravation of symptoms; 2. Ovulatory bleeding: some people will experience vaginal bleeding during ovulation. Patients should avoid eating cold and greasy things to avoid aggravating the discomfort. 3. Pre-eclampsia: Bleeding is triggered by the breakage of endometrial blood vessels due to the embryo detaching from the uterine wall. Depending on the amount of bleeding and the time of accumulation in the vagina, the color may be bright red, pink or dark brown. In this case, the patient should be treated with fetal preservation, rest and less activity. If the progesterone is low, progesterone and dydrogesterone tablets should be taken under the guidance of professional doctors. 4. Cervical cancer: due to the shedding of cancerous tissues and the exposure of blood vessels, the patient will discharge bloody vaginal discharge, which may be accompanied by bad smell when combined with infection. If the symptoms are mild, patients can be treated by surgery, and those who cannot be cured by surgery can be treated by chemotherapy, radiotherapy and biological targeting to control the tumor to the greatest extent; 5.Other: endometrial cancer, cervical polyps and submucosal fibroids can also cause patients to discharge dark brown discharge, which needs to be treated by corresponding surgery.