The principle of keeping in good health during sexual intercourse is abstinence. As a physiological need of human beings, sexual intercourse, if moderate, is conducive to the exchange of yin and yang between men and women, to the repair of foundation and to the reinforcement of health.

But excessive energy consumption and physical exertion will cause fatigue, which will lead to diseases such as nocturnal emission in men and irregular menstruation in women. The number of sexual intercourse is not fixed. It varies with people's age and physical condition. Different people have different sexual intercourse times. Such as the cloud "Neijing": "Twenty people, every four days; Thirty or eight days; Forty or sixteen drainage pipes; Fifty years, one leak is twenty-one; With the continuous development of medicine, "60 years old, discharged on January 1st".

People are more aware that abstinence needs specific analysis. The standard of sexual intercourse is that there is no fatigue the next day, and a person is full of energy and happy. Young and strong people can have sex three or four times a week, even once a day. Old and infirm people should abstain from sex, such as once a week, once a month, or even once a month. You shouldn't have sex too early. If a person breaks the yang prematurely, it will hurt his essence; If a woman destroys Yin Qi prematurely, it will hurt his Yin Qi and even lead to premature aging.

Ancient hygienists believed that the age of sexual intercourse was 22 for men and 20 for women; Seize the reproductive opportunity. Traditional Chinese medicine not only advocates late marriage, but also advocates late childbirth. It is believed that premature delivery will do great harm to women's spermatorrhea and lead to the decline of healthy qi in the body. Late childbearing will also be detrimental to fetal health and development. The age of marriage and childbearing for males is 24-28 years old, and the age of childbearing for females is 2 1-28 years old. The best reproductive age for men and women is 28-30 years for women and 28-32 years for men. Pay attention to sexual hygiene. Sexual intercourse is one of the modes of transmission of some diseases. Therefore, people should pay attention to sexual hygiene during sexual intercourse. It is best to clean the vulva before going to bed and after sexual intercourse every night. Chinese medicine attaches great importance to gains and losses during sexual intercourse. "Profit and loss" here refers to the behavior that is beneficial to human health during and before sexual intercourse.