How long a 40-year-old woman’s sex life is appropriate, according to the individual’s physical condition, should be specific analysis of specific problems, not a generalization. Under normal circumstances, 40-year-old women began to gradually appear ovarian function premature failure of the phenomenon, 1 week 1 time or 2 weeks 3 times sex can, not only to ensure the quality of sex life, but also to promote the harmony between the couple. The more vigorous sexual appetite needs to be properly controlled, so as not to lead to the next day too much fatigue, mental fatigue, immune system decline and other phenomena. In addition, too much sex for women, the chances of gynecological inflammation may also increase. Therefore, 1 week or 2 weeks 3 times sex, so that the female body can get rest, not overworked, and also conducive to female endocrine balance, thus slowing down the performance of female ovarian decline.