Tranquilizer is known as estradiol valerate tablets, and there is no clinical claim that the drug has four major benefits and drawbacks. Estradiol valerate tablets have the function of supplementing estrogen, promoting ovulation, promoting the growth of uterine lining and reducing menopausal symptoms. However, there are bad effects such as causing abnormal uterine bleeding and damaging liver and kidney functions. 1.Benefits: (1) Clinical supplementation of estrogen can be used to treat menstrual irregularities caused by estrogen deficiency. (2) It is used in the treatment of infertility process to promote ovulation treatment, while oral estradiol valerate tablets can dilute the cervical mucus, which is conducive to the success rate of pregnancy. (3)It can promote the growth of the uterine lining, which is conducive to the development of follicles, and is also rich in trace elements, which can improve the body’s immunity. (4) It can also be used in the treatment of hot flashes and excessive sweating, poor sleep, palpitations and other symptoms caused by the reduction of estrogen during menopause. 2. Bad effects: Clinical finding of taking estradiol valerate tablets some patients may have uterine bleeding, and at the same time, there is a possibility of damage to liver and kidney function. Therefore, the specific use of estradiol valerate tablets should be carried out under the guidance of a doctor, and should not be taken at will.