Mifepristone is a good treatment for adenomyosis, which occurs when the endometrium invades the myometrium, causing progressively worsening dysmenorrhea with each menstrual period, and severe dysmenorrhea in some patients. Mifepristone is a progesterone antagonist, has the effect of inhibiting the growth of the endometrium, in the use of the need to control the dose, and in the use of the drug is not used once can, usually need to continue to use the drug, the duration of the time in about 3 months, can be effective in relieving adenomyosis caused by dysmenorrhea, heavy menstruation and other symptoms. Mifepristone is a better treatment for adenomyosis, for women who have fertility requirements, are young and do not want to treat adenomyosis through surgical methods. When the application of mifepristone is stopped, the symptoms caused by adenomyosis will gradually appear in about 6 months.