The classic famous sayings of the Yellow Emperor's Internal Classic are introduced in detail as follows:

1. Shanggong treats the disease before it is sick, but does not cure the disease. Interpretation: A skilled doctor starts to prevent the disease before it occurs, rather than treating the disease after it occurs.

2. Those who are smart about the five colors have the essence of Qi. "Su Wen Pulse Yao Jing Mi Lun" explains that the brightness of the eyes and the color of the face are the external manifestations of the internal Qi of the five internal organs.

3. The anterior yin is where the Zong muscles gather and where Taiyin and Yangming merge. It means that the anterior yin of a person is the place where all the tendons gather, and it is also the intersection of the Foot Taiyin Meridian and the Foot Yangming Meridian. place.

4. The five internal organs all have qi in the stomach, and the stomach is the root of the five internal organs. Explanation: The qi of the five internal organs all depends on the essence of the stomach for nutrition, so the stomach is the foundation of the five internal organs.

5. If the five internal organs are all combined, and the disease persists for a long time, it is due to the combination of internal organs. Explanation: The five internal organs, tendons, veins, flesh, skin, and bones correspond to each other internally and externally. If the pathogenic factors remain on the body surface for a long time, they will invade the corresponding internal organs.

6. Those who treat internal organs should treat their Shu, those who treat fu organs should treat their combination, and those who treat edema should treat their meridians. To explain the cough of the five internal organs, the doctor can treat it from their respective acupoints. For coughs caused by the six fu organs, doctors can treat them from their respective joint points. For diseases caused by coughing and edema, doctors can treat the meridian points of the relevant organs respectively.

7. The twelve meridians belong to the internal organs and externally to the limbs. Explanation: The twelve meridians that run Yingwei qi and blood belong to various organs internally, and maintain the limbs and joints externally.