If the period has just started, a dark brown discharge can appear. This is normal because a small amount of endometrium is shed with little bleeding and the blood remains in the reproductive tract, turning brown under the acidic environment in the vagina. It can also appear near the end of menstruation,. If there is no vulvar itching, abnormal leucorrhea, odor and other symptoms appear, you can continue to observe and not worry. If the dark brown discharge appears during ovulation, then consider ovulatory bleeding. If it appears occasionally, or if the bleeding amount is very small, you can continue to observe and not deal with it. If there is a lot of bleeding, it is recommended to go to the hospital for treatment. If dark brown discharge appears during pregnancy, it may be a pre-term labor, so you should pay attention to it and go to the hospital for diagnosis in time to avoid delaying the condition. For those who are in their 40s or 50s and approaching menopause, persistent brown discharge needs to be checked at the hospital for the cause of the bleeding, and the correct treatment should be done in time for the condition, again without carelessness. In normal daily life, women should pay more attention to personal hygiene, change underwear regularly, keep the vulva clean and dry, and pay more attention to hygiene when there is brown discharge.