The brown discharge is probably a precursor to menstruation, because the endometrial lining is shed less and there is a small amount of bleeding mixed with vaginal discharge is a brown performance. If the brown discharge is not more than two days, you can wait patiently. If the brown discharge is more than three days, you may need to see a doctor for ultrasound examination to understand the condition of the endometrium and give appropriate treatment according to the examination results. You can use angelica pills and prozac pills or motherwort punch to help promote the contraction of the uterus so that menstruation can come smoothly, and you can also drink some brown sugar and ginger water, which can help to invigorate blood and warm the uterus.