Second, it is pointed out that the way of medicine must be combined with comprehensive analysis of astronomy, geography and personnel.
Thirdly, the role of Sanyang in human body and the situation of Sanyang's separate onset were discussed.
It turned out that the Yellow Emperor was sitting in the Ming Hall, called Lei Gong, and asked: Does Zi know the medical way? Lei Gong said to him: Reciting can explain, explain but not farewell, farewell but not clear, clear but not clear. This is enough to cure the crowd, but not enough for Wang Hou. May it be influenced by the tree and the sky, and the four seasons of Yin and Yang will make the stars and the sun and the moon different to show the classics, and later generations will be enlightened, Shennong will be educated, and the second emperor will be suspected. The emperor said: Good! There is no loss, this is the boundary between yin and yang, and male and female lose each other. However, there is no doubt that knowing astronomy in Tao, geography in the bottom and people in China can last for a long time to teach the public. Medical theory can be handed down to future generations and become a fortune.
Lei Gong said: Please accept, be sarcastic and explain. The emperor said: I don't smell yin and yang! Yue: I don't know. Yue: the husband has three yang, the sky is a career, and the ups and downs are impermanent. If they are combined, they will be sick and harmful to yin and yang. Lei Gong said, "There are three Yang. Please listen to the explanation. The emperor said: those who can get the three Yang's are the combination of the three Yang's, which will be like a storm, with diseases on the upper side and diseases on the lower side, with no life outside, no righteousness inside, no broker, no diagnosis and no ups and downs. Lei Gong said: I just said what I meant. The emperor said: the combination of three yang and yang will cause earthquakes, and the onset of the disease is high, and the nine are ignorant and the yang overflows. If the dry throat is blocked, it will be unpredictable and thin. This is called the straight heart of Sanyang. If you can't sit up, it's all. The disease of three yang, but knowing the world, why not distinguish yin and yang, should be four seasons, combined with five elements.
Lei Gong said, See you on the 5th. Ignore the innuendo. Please rest assured that it is the supreme way. The emperor said: if the son is preached, I don't know how to get the word to confuse the teacher. If the child speaks heavily, the five internal organs will be injured and the bones and muscles will disappear. If the son doesn't know what to say, it will be the end of the world. Kidney dying, sighing at sunset, calm and gloomy.
The Yellow Emperor sat in the hall and summoned Lei Gong. He asked, Do you know the truth of medicine? Lei Gong replied: I can't fully understand reading medical books. Some people can have a superficial understanding, but they can't tell the difference through analysis. Some can analyze and distinguish, but they can't deeply understand its essence. Some can understand its essence, but cannot explain and apply it. Therefore, mine is only enough to cure the diseases of ordinary officials, but not enough to cure the diseases of Hou Wang. I really hope that you can give me some knowledge about setting the degree of the sky, how to combine the four seasons of Yin and Yang, and how to measure the sun, the moon and the starlight, so as to further explain the truth, let future generations understand it better, let Shennong understand and carry forward these precise truths, which can be compared with the two emperors. The Yellow Emperor said: Good. Don't forget, these are the principles that Yin and Yang, men and women are interrelated and corresponding to each other. As far as medicine is concerned, it is necessary to know astronomy, geography and personnel in order to spread it for a long time to teach the public and avoid doubts. Only in this way can medical papers be passed on to future generations as a valuable legacy.
Lei Gong said: Please teach me these truths so that I can recite them and understand them. The Yellow Emperor said: Haven't you heard of the book Yin and Yang Biography? Lei Gong said: I don't know. The Yellow Emperor said: The Qi of Sanyang, the main guardian of a person's body, adapts to the change of weather. If a person's upper and lower meridians lose their normal state and internal and external evils merge into one, disease will come, which will inevitably lead to excessive yin and yang. Lei Gong said: How should we understand the sentence "Three yang is the best"? The Yellow Emperor said: The so-called "independence of the three yang" is actually the combination of the qi of the three yang. When the yang is too strong, its illness comes like wind and rain. When it is committed, it is a disease of the head, and when it is committed, it is a disease of incontinence. Because this disease is changeable, there are no obvious symptoms such as color change outside, and certain signs can not be expected inside, and its disease does not conform to the law of syncope, so it is impossible to record and distinguish its pathological subordinates during diagnosis. Lei Gong said: I treat this disease and rarely cure it. Please explain in detail to dispel my doubts. The Yellow Emperor said: Sanyang is extremely prosperous. If the qi of Sanyang accumulates, it will be a surprise attack, and the disease will start like a blast and start like a thunderbolt. All nine orifices will be blocked, the yang will overflow and the throat will dry up. If it is combined with yin, it is that the yang is thinner than the dirty, and the disease is also fluctuating. If you force it, it's intestinal depression. If the qi of three yang reaches the heart diaphragm, people can't get up when sitting, but they are comfortable when lying down. This is the disease caused by the accumulation of three yang. Therefore, if you want to know the corresponding relationship between man and heaven and earth, you must know how to distinguish yin and yang, the four seasons of heaven and the five elements of earth.
Lei Gong said: I obviously can't distinguish these truths, and I can't understand the obscure ones. Please explain the subtleties again so that I can better understand this profound truth. The Yellow Emperor said: You were taught by the teacher. If you don't know how to live in harmony with the Supreme Tao, you will doubt the teacher's teaching. Now I will tell you the main points of the Supreme Way. If people get sick and hurt their five internal organs, and their bones and muscles are getting thinner and thinner, as you said, they can't tell the difference, so wouldn't all the medicines in the world be gone? For example, if the kidney qi will fail, you will feel uneasy all day, and you will want to be quiet and don't want to go out, not to mention frequent personnel exchanges.