Brown discharge is a symptom of bleeding. Normal vaginal discharge in women should be white, with increased discharge during ovulation and before menstruation. Brown discharge is seen in the following cases: i. After the menstrual flow is not completely clean. Some women may experience a small amount of vaginal bleeding after the IUD is placed, and the bleeding is mixed with the leucorrhea to form a brown discharge. Third, cervical disease, cervical polyps or chronic cervicitis will also form such symptoms. Fourth, endometrial polyps, uterine scar diverticulum will also appear such clinical manifestations, so it is best to go to the hospital for examination after the discovery of such symptoms.