Estradiol Valerate Tablet has the effect of supplementing estrogen and is used for the treatment of gynecological diseases such as amenorrhea, uterine dysplasia and menstrual abnormalities. Estradiol is a kind of natural estrogen, which is mainly secreted by mature ovarian follicles, and can play a role in promoting and regulating the normal development of female sex organs and secondary sex characteristics. Estradiol Valerate Tablets can be used to supplement estrogen deficiency, treat functional uterine bleeding, amenorrhea, menstrual abnormalities, uterine dysplasia, breast withdrawal, etc. It can also be used for the prevention of osteoporosis caused by the decrease of estrogen level. Common adverse reactions after using the drug include chloasma, hair loss, hirsutism, abdominal distension, menstrual disorders, breast swelling, bleeding, etc. Serious adverse reactions include cardiac infarction, hypercalcemia, gallbladder disease, etc.; the drug is contraindicated in people who are allergic to the drug, lactating and pregnant women, children, endometrial hyperplasia and endometriosis, severe cardiac disease, and severe renal disease. Patients who need to use estradiol valerate tablets for treatment are recommended to use the drug under the guidance of a doctor.