At present, the commonly used clinical abortion drugs are mifepristone and misoprostol, the specific use of medical advice. 1. Mifepristone: the drug is a strong anti-progestational hormone drugs, women taking the drug may appear nausea and vomiting, dizziness, abdominal pain and other uncomfortable symptoms, for the early stages of pregnancy with severe pregnancy reaction of women need to be careful with the drug. 2. Misoprostol: this drug is also commonly used in clinical abortion drugs, belonging to the prostaglandin E1 derivatives, with enhanced uterine tension, soften the cervix, enhance the uterine intrauterine pressure and so on, can be achieved through the enhancement of the uterine contraction frequency of early pregnancy to achieve the purpose of termination of pregnancy. To summarize, the above drugs have a good effect on termination of pregnancy, and the use of specific drugs should be carried out under the guidance of a doctor.