Mifepristone tablets work to treat uterine fibroids, in combination with misoprostol for medication abortion, and as emergency contraception. Mifepristone is a progesterone antagonist with anti-progestin and glucocorticoid effects, and is more widely used in clinical applications. 1. Uterine fibroids, if there is a relatively large uterine fibroids, before the operation can take mifepristone under the guidance of the doctor, can promote the shrinkage of fibroids, so that the operation will be less traumatic to the body. 2. Medication abortion, for early pregnancy of about 7 weeks, you can take mifepristone and misoprostol under the guidance of the doctor, to take the method of medication abortion to terminate the pregnancy. 3. Emergency contraception, generally within 72 hours after unprotected sex, taking mifepristone, emergency contraception, its effective rate can reach more than 85%, the chance of unwanted pregnancy is about 2%, and side effects are relatively rare.