The benefits of menstruation for women are mainly as follows: First, women can maintain a normal menstrual cycle, which means that their ovaries are functioning normally and that there are no problems with the development of the uterus to maintain normal reproductive functions. Secondly, the normal maintenance of ovarian function can prevent women from entering old age early and having perimenopause, such as hot flashes, night sweats, emotional instability, insomnia and forgetfulness. Thirdly, it can reduce the chance of cardiovascular disease and osteoporosis. The secretion and maintenance of female estrogen is very important for the protection of cardiovascular and the maintenance of normal calcium deposition and metabolism, and postmenopausal women are prone to diseases. Fourth, the female ovaries function normally and can have normal menstruation, the female reproductive tract can be maintained and will not atrophy, the female reproductive tract secretion gland secretion is normal and can maintain a normal sex life.