Entering menopause at age 40 is generally normal, but the exact age needs to vary from person to person. The term “menopause” is now less commonly used. Menopause (climacteric) refers to the period of time before and after menopause, which is a special physiological stage of transition from reproduction to old age, and includes the period of menopausal transition and postmenopausal period. The menopausal transition period refers to the period from the beginning of the menopausal trend until the last menstrual period. It can start at the age of 40 and last for as short as 1 to 2 years or as long as 10 to 20 years. During this period, the ovarian function gradually declines, the number of follicles decreases significantly and follicular hypoplasia occurs, so menstruation is irregular and often anovulatory menstruation. Eventually, ovarian failure occurs due to natural depletion of follicles in the ovaries or loss of response of the remaining follicles to pituitary gonadotropins. The permanent cessation of menstruation is called menopause. After menopause, some women experience a series of symptoms such as hot flashes, sweating, decreased concentration, and sleep disorders. Therefore, 40 years old into menopause women, if discomfort, it is best to give medication under the guidance of a doctor, but do not be nervous about menopausal symptoms, visit the hospital reasonable treatment can be.