Drug abortion refers to drug abortion, drug abortion failure is generally recommended within 14 days to clear the uterus, found that the drug abortion failure, as early as possible to clear the uterus, does not matter the latest. The drug abortion fails to clear the uterus is harmful. Drug abortion failure in principle, generally no more than 14 days to clear the uterus, generally 7 days after the drug abortion ultrasound review, found that the drug abortion failure should be timely to clear the uterus surgery. There is a possibility that the drug abortion failure, when the drug abortion failure, residual tissue in the uterus if not dealt with in a timely manner, will not only affect the recovery of the uterus, but also retrograde infection of the entire reproductive system, affecting the health of the drug abortion failure to clear the uterus in a timely manner. After the removal of the uterus may also need to cooperate with the use of cefuroxime, ofloxacin and other drugs to fight infection. The use of drugs need to be guided by the doctor. In order to avoid the occurrence of drug abortion failure, it is recommended that the drug abortion need to go to the regular hospital obstetrics and gynecology clinic in a timely manner, and follow the doctor’s instructions to use medication.