The generic name of Dayin 35 is Ethinyl Estradiol Cyproterone Tablets. Ethinyl estradiol cyproterone tablets in addition to endocrine treatment can also be a degree of treatment of ovarian chocolate cysts. Ethinyl estradiol cyproterone tablets are commonly used in clinical short-acting contraceptive preparations, which consists of ethinyl estradiol and cyproterone, of which cyproterone has a certain effect of lowering androgens, so clinically used in the treatment of polycystic ovary syndrome. At the same time, because it contains highly effective estrogen and progesterone, it can have a certain therapeutic effect on chocolate cysts by inhibiting the function of the female gonadal axis and inhibiting follicular growth. However, it should be noted that the role of ethinyl estradiol cyproterone tablets for the treatment of ovarian chocolate cysts is limited, it is recommended to regularly review the gynecological ultrasound, dynamic monitoring of the growth of the cysts, if the cysts are more than 5cm, it is necessary to surgically stripped, so as not to affect the woman’s normal pregnancy. For women with polycystic ovary syndrome and ovarian chocolate cysts, it is recommended that they go to the gynecology department of a regular hospital, and under the guidance of the doctor to actively treat the condition, rather than blindly using medication.