The first two days of medication are taken at home according to the doctor’s instructions, and the third day must go to the hospital, because the third day to take the misoprostol, misoprostol after taking the uterine smooth muscle contraction, will make the cervix soft, and then the products of pregnancy will be discharged. However, not everyone has a smooth discharge of the products of pregnancy, and it is possible to observe allergies, such as itching of the skin, in addition to vomiting. If vomiting occurs within twenty minutes of taking the medicine, the corresponding drug has not been absorbed, it may not work to expel the products of pregnancy, and it is necessary to give additional oral medication. In addition, after taking misoprostol may cause a lot of bleeding, once this happens in the hospital should be given timely treatment, to avoid massive bleeding caused by hemorrhagic shock and endanger the patient’s life. So the third day of drug abortion must go to the hospital, and before the abortion to do the appropriate examination to determine the intrauterine pregnancy, under the guidance of the doctor to use the drug.