Drug abortion embryonic tissues are not discharged for the following reasons: First, the indications for drug abortion are not well mastered, between 5-7 weeks of pregnancy can be drug abortion, if more than 7 weeks will often fail. Second, the drug abortion when the drug is not taken in accordance with the requirements of the doctor’s orders, the dose is too small did not lead to the embryo was killed, so the discharge is not out. Third, the individual is not sensitive to the drug abortion, so it will lead to the failure of the drug abortion, because individual differences are different, each person’s sensitivity to the drug is not the same. Once the drug is not sensitive to the drug abortion can not kill the embryo, will not be discharged out of the pregnancy products, can be performed to clear the uterus surgery will be discharged out of the pregnancy products, and in the postoperative oral motherwort to promote uterine contraction.