Brown discharge on the 6th day after abortion is usually normal and is usually caused by a small amount of meconium still in the uterus after the abortion, or by bruising in the uterus during the recovery process. Patients can observe for a few more days. If there is still brown discharge 10 days after the abortion, it may be an abnormal condition, such as incomplete abortion, poor uterine contraction or vaginal bleeding caused by intrauterine infection. After the abortion, the endometrium slowly repairs and with the uterus contracting on its own, the vaginal bleeding gradually decreases, and the bleeding is usually cleared in 7-10 days. Due to the low amount of uterine bleeding and slightly longer stay in the uterine cavity, the bead protein and ferrous hemoglobin in the blood dissociate and are oxidized to become brown, and if the stay in the uterine cavity is longer, the color of the discharge may be black, so it is generally normal to have brown discharge on the 6th day after abortion. However, if the flow of brown discharge exceeds 10 days, even accompanied by symptoms such as vague abdominal pain, you need to promptly go to the hospital to review the ultrasound to check the recovery of the uterine cavity, whether there is incomplete abortion, poor contraction of the uterus or intrauterine infection that causes vaginal bleeding. If you have brown discharge after abortion, you need to avoid sexual life to avoid infection, keep your vulva clean and hygienic, and you should not take a sitz bath. Physical activity can be performed appropriately to promote uterine contraction. If the bleeding is long after the operation, oral antibiotics are needed to prevent infection, and the bleeding should be followed up promptly for more than 10 weeks.