When a woman is pregnant and the diagnosis of embryonic failure has been confirmed through repeated ultrasound examinations, then consider performing a medication abortion or an artificial abortion to terminate the pregnancy. For women with gestational sacs less than 2cm or less, who are afraid that abortion will damage the lining of the uterus, they can take Mifepristone and Misoprostol for medical abortion. Specific use, need to take 2 days of mifepristone, need to take 2 times a day, each time to take 50mg, and then in the morning of the third day to take three Misoprostol, about four hours after taking Misoprostol, will cause obvious abdominal pain as well as vaginal will be the gestational sac discharged.