The generic name of Fenmotone is Estradiol Tablets/Estradiol Dydrogesterone Tablets, Breast cysts category 3 generally refers to potentially benign lesions, it is possible to take Estradiol Tablets/Estradiol Dydrogesterone Tablets, if the malignant lesions, it is not allowed to consume Estradiol Tablets/Estradiol Dydrogesterone Tablets. Main contraindications: patients with known or suspected history of breast cancer, so if breast cyst category 3 is clearly malignant is contraindicated; can not be used for known or suspected estrogen-dependent malignant tumors and progesterone-dependent tumors; for hepatic disease, venous thrombosis, unexplained genital tract bleeding can not be used, and is contraindicated during lactation. Estradiol Tablets/Estradiol Deferiprone Tablets are mainly used for the treatment of perimenopausal syndrome due to natural or postoperative menopause. The main adverse effect of its use is an increased risk of breast cancer, endometrial cancer, blood clots, etc. Therefore, it is not recommended for patients with breast cysts when the benign or malignant nature of breast cysts is not clarified. Meanwhile, Estradiol Tablets/Estradiol Deferiprone Tablets mainly serve to supplement endogenous estradiol, while the development of breast cysts may be related to estrogen, and the cysts should be rechecked during the administration of the drug to check for any enlargement and other conditions. It is recommended that patients with breast cyst category 3 take Estradiol Tablets/Estradiol Dydrogesterone Tablets in consultation with a physician at a regular hospital to weigh the pros and cons before using them cautiously.