If the bleeding exceeds the amount of menstruation, the flow of blood does not stop or even a large amount of blood clots appear after a medical abortion, heavy bleeding has occurred. Patients will be accompanied by tearing pain in the lower abdomen, dizziness and weakness, pallor, and even shock in severe cases. This kind of haemorrhage usually does not have any precursory symptoms and should be seen in hospital in time. ultrasound examination reveals an increase in the size of the uterus and abnormal echogenicity in the uterus, which requires immediate operation to clear the uterus. The treatment of hemorrhage after medical abortion 1. perform the operation to remove the pregnancy capsule; 2. need blood transfusion treatment when bleeding is more; 3. use contraction and antibiotic treatment at the same time or successively under the guidance of the doctor. 2, after the medical abortion precautions 1, medical abortion has certain risks, need to be in a professional medical unit for drug abortion; 2, before the medical abortion ultrasound examination to determine the intrauterine pregnancy and the size of the gestational sac; 3, vaginal discharge to professional doctors to determine whether the gestational sac is completely expelled; 4, after the medical abortion need to rest for two weeks, and keep the vagina clean, two weeks should not take a tub bath, a month of absolute prohibition of sexual intercourse 5.Follow up with the hospital 2 weeks after medical abortion.