The Yellow Emperor’s Classic of Internal Medicine says: “If you know the seven losses and eight benefits, the two can be adjusted; if you do not know how to use them, you will be prematurely declining.” This shows the importance of mastering and understanding the “seven losses and eight benefits” for human health. The term “seven losses and eight benefits” is found in “Su Wen – Yin and Yang Ying Xiang Da Zhi”. Ancient and modern medical scholars have interpreted the term “seven losses and eight benefits” from different perspectives. However, the understanding of “seven losses and eight benefits”. The “World’s Best Way Talk” is one of the medical books excavated from the Mawangdui No. 3 Han tomb in Changsha in 1973. The so-called “The World’s Most Profound Way” means that it deals with the most profound theories in the world, and in reality, it deals with the way to maintain health in the room. The unearthing of this book, especially the elaboration of “seven losses and eight benefits” in it, made the ancient doubts about “seven losses and eight benefits” in “Nei Jing” dispelled, and the misconceptions of thousands of years were corrected. It turns out that “seven losses and eight benefits” refers to the fact that there are seven practices that are detrimental to the human body (essence) and eight practices that are beneficial to the human body (essence) in the room life of both sexes. The “World’s Best Way to Talk”: “There are eight benefits and seven losses of qi. Can not use the eight benefits to seven losses, then the line of forty years and have Yin Qi since half also, fifty and living decay, sixty and the ears and eyes are not smart, seventy under withered on the exhaustion, Yin Qi do not use, deep weeping stay out. The way to rejuvenate the strong, remove the seven losses to offset its disease, with eight benefits to replenish its gas, so the old man rejuvenate the strong, strong does not decline.” It can be seen that the so-called “seven losses and eight benefits”, refers to the seven kinds of sexual life is harmful to health performance and eight kinds of beneficial to maintain the essence, conducive to sexual life action, if you can well use, you can avoid the seven kinds of damaging performance, to achieve a harmonious sexual life. ”What are the “seven damages”? The world to talk about “said:” a said closed, two said leaking, three said exhausted, four said do not, five said annoyed, six said extinct, seven said fee.” The specific content is: a loss – sperm channel occlusion. It refers to the pain of the penis during sex, the sperm channel occlusion is not accessible, and even no sperm can be emitted, still strong for it, known as internal closure. The second loss – premature ejaculation of semen, refers to sexual intercourse when dripping with sweat, or just when the sweat is carried out, walking away from the ejaculation of semen, called external ejaculation. The third loss – the shortage of essence, refers to sexual life without restraint, too frequent, so that the exhaustion of semen, called exhaustion. Four losses – impotence and inactivity. It means that the penis is not lifted during sex, and then the intention is strong together, called do not. The fifth loss – distracted and disturbed. It refers to the shortness of breath during sex, the mind is disturbed, called annoyed. The six losses – into a desperate situation, refers to the woman has no sexual desire, the man roughly forced intercourse, such a natural sex life is extremely uncoordinated, will bring great pain to the woman, not only damage their physical and mental health, but also affect the merits of the fetus pregnancy, to the next generation, called the desperate. Seven losses – vain consumption, refers to the sexual life before no caressing preparation, on the rapid and rough intercourse, will make the essence of depletion, called fee. What are the eight benefits? The world to the way to talk about the cloud: “One is to cure the gas, two is to foam, three is to know the time, four is to store gas, five is and foam, six is to accumulate gas, seven is to hold the win, eight is to set a moment.” “The specific content is: a benefit – to regulate the essence. It refers to the sexual life should be carried out before the qigong guide, get up early in the morning to sit quietly, straighten the spine and back, relax the hips, converge the anus, guide the qi down the Dantian, known as the treatment of qi. The second benefit – to its fluid, refers to sex with more fluid under the tongue, swallowed from time to time, known as to foam. Three benefits – the right time for intercourse, is to play with each other before sex, so that the love is strong, both sides are into sexual excitement before intercourse, known as wise time. Four benefits – to store essence, refers to the relaxation of the waist and spine area during sex. Astringent anus guide gas down to gather in front of the yin, called storage gas. Five benefits – reconciliation of yin and fluids, refers to sex when not rough and impatient, penis pumping to be slow and infrequent, known as and foam. Sixth benefit – accumulation of essence, refers to the sexual life should be restrained, not extreme indulgence, the penis is still in the erection when the appropriate time to withdraw, known as the trick gas. The seventh benefit – keep full, refers to the sexual life will be over when deep breathing, na qi operation in the spine, guide qi accumulation in the lower yin, keep the essence full, called “hold win”, that is, hold full. Eight benefits – clean phallus, refers to the end of sexual life, when the penis is still erect, end the intercourse, spill the remaining essence, and wash the penis clean, known as fixed pour, and pointed out that when the two sexes have intercourse, do not love more than pleasure. The “seven losses and eight benefits” is an ancient health care doctrine, but it elaborates the precautions about sexual health. For modern people, it still has positive guiding significance. Especially the “seven losses” of the said, admonish people, in physical discomfort, sweating, tired do not want to have sex, sex should not be too frequent, do not force for it, to avoid the occurrence of semen off, room labor injury and other diseases; sex before there should be pre-action, in order to communicate with each other, love, so that sex life really become a lubricant for feelings, husband and wife harmony happy. These simple truths, should become common sense, which is to maintain the physical and mental health of men and women, to reduce women’s diseases, and even the next generation of eugenics, have positive significance.