Huangdi Neijing is a comprehensive medical work, which was written by many people from the Warring States to the Qin and Han Dynasties, and continued to be revised and supplemented from the Eastern Han Dynasty to the Sui and Tang Dynasties. It is the earliest medical classic in China and has a far-reaching influence on the establishment of TCM theory in later generations.
This book is composed of two works, Su Wen and Ling Shu, which lays the foundation for the theories of Yin and Yang, five elements, pulse, Tibetan image, meridians, etiology, pathogenesis, symptoms, diagnosis, treatment, health preservation and luck in traditional Chinese medicine. Its basic material comes from the long-term observation of life phenomena in ancient China, a lot of clinical practice and simple anatomical knowledge.
This book lays a foundation for understanding human physiology, pathology, diagnosis and treatment. It is a medical work with great influence in China and is called the medical ancestor.
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Ji Fanglue, a chronicle of Han Shu's literature and art, contains four Chinese medical classics: Medical Classic, Classic Prescription, Immortal and Room, among which Huangdi Neijing is included in Medical Classic.
The so-called "medical classics" is a book that expounds medical theories such as human physiology, pathology, diagnosis, treatment and prevention. It is called "Beijing" because of its importance. The ancients called important books that had certain rules and generally had to be studied "classics", such as the Confucian Six Classics, Laozi's Tao Te Ching, and the simple three-character classics. The reason why it is called Neijing is not that "five yin and one yang are called Neijing" as Wu Kun's Su Wen Zhu and Wang Jiu's Neijing Economic Cooperation said.
Zhang Jiebin's The Analects of Confucius said that "the insider is the way to live", but this is only relative to "the outsider". This is similar to Hanshu, Hanshu, Chunqiu, Chunqiu, Zhuangzi's Inner Chapter, Han Feizi's Hidden Inside and Waizang, except that Huangdi Waijing and Bai's classics have been lost.