Menopause at age 40 is normal and does not require special treatment. The age of menopause varies from person to person, but menopause between the ages of 40 and 55 is within the normal range. Menopause at the age of 40 is mainly due to the decline of ovarian function, which is related to the decrease of estrogen secretion. Menopause may be combined with menopausal symptoms, such as emotional excitement, sudden sweating or insomnia, and excessive dreaming. If menopause is caused by endocrine factors, there is no artificial way to control it. If menopause occurs before the age of 40, it is considered as premature ovarian failure, and the sex hormone six items can be checked, and hormone replacement therapy can be used to adjust the menstrual cycle according to the hormone level. Hormone replacement therapy is mainly used to treat estrogen and progestin. Hormone replacement therapy can not only adjust the menstrual cycle, but also improve osteoporosis and urinary symptoms such as frequent and urgent urination caused by menopause.