On the fifth day after the abortion, there is increased vaginal bleeding, which can be caused by increased bleeding due to poor uterine contractions, increased bleeding due to uterine residue, or heavy vaginal bleeding due to after activity. Therefore, ultrasound should be performed to find out the condition of the uterine cavity. If the uterine cavity is retained, the uterus should be removed promptly to help the uterus contract. If the uterus is not contracting well and the bleeding is increasing, you can give 10U intramuscular injection of hysteronin once a day for three days, and observe the amount of vaginal bleeding. You can also give drugs to activate blood circulation and remove blood stasis to promote the discharge of blood stasis in the uterine cavity, you can give motherwort granules or new biochemical granules and other oral. After the operation, you should pay attention to keep warm, forbid eating cold, spicy and stimulating food, and do not drink alcohol. Prohibit sexual intercourse and tub bath for one month, and keep the vulva clean and hygienic. Review the color ultrasound in 7-10 days after the operation to know how the uterus recovers.