After discussing the five zang-organs, the article concludes: "Spring, summer, autumn and winter are the four seasons of yin and yang, and it is normal that the disease begins with overuse." The general idea is that excessive physical and mental use exceeds the limit, which will damage healthy qi, and then get sick if you don't adapt to this law.
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Before Neijing came out, Chinese medicine had accumulated rich clinical experience. Neijing (including Su Wen and Ling Shu) comprehensively summarized the medical experience from ancient times to Qin and Han dynasties and established the basic content of the theoretical system of traditional Chinese medicine. Huangdi Neijing has four chapters: Ling Xiao Shu, Jie Zhen, Su Wen's pulse interpretation of Yangming and Su Wen's pulse interpretation.
From the explanation style or disintegration of Nine Needles and Twelve Books of Lingshu and Lingshu Jing, and the explanations of Lingshu in several Suwen, as well as the mutual introduction and interpretation between chapters of Lingshu, it can be inferred that Lingshu is the classic and Suwen is the classic in Huangdi Neijing.
According to the content, "element" mainly includes several meanings such as "purity", "simplicity", "daily" and "minimum constituent unit". According to the notes of ancient doctors, "Su Wen" mainly includes the origin, the beginning of life and problems related to Yin and Yang, and the views of modern scholars are basically similar to this.
The theory of Yin and Yang was originally a simple dialectical thought of China in ancient times. The author of Neijing introduced it into the medical field to explain various problems of human physiology, pathology, diagnosis and treatment.
Physiologically, it is emphasized that "Yin and Pingyang are the secret, and God is the rule." It is believed that the yin and yang sides of the human body should be in a state of balance and coordination; If the balance between yin and yang is out of balance, it will lead to disease. Its pathological manifestations are "yang deficiency leads to yang disease, yang deficiency leads to yin disease, yang deficiency leads to heat, yin deficiency leads to cold", "yang deficiency leads to external cold, and yin deficiency leads to internal heat". This is the general outline of TCM pathogenesis.