What are the four medical classics recognized in ancient China?

The four medical books recognized in ancient China are Huangdi Neijing, Difficult Classic, Treatise on Febrile Diseases and Shennong Herbal Classic. Huangdi Neijing: Alias Neijing, it is the first of the four classics of traditional Chinese medicine, divided into two parts: Lingshu and Suwen, and it is the earliest medical classic in China. Huangdi Neijing is a comprehensive medical work, which 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.

Difficult classics: Originally named "Eighty-one Difficult Classics of the Yellow Emperor", also known as "Eighty-one Difficult Classics", it is an early classic of Chinese medicine. On the basis of Su Wen and Ling Shu, Nan Jing puts forward 8 1 questions for discussion, and then summarizes them into a book. The book Difficult Classics is eighty-one. In the way of question and answer, this paper discusses some theoretical problems of traditional Chinese medicine, including pulse diagnosis, meridians, viscera, yin and yang, etiology and pathogenesis, ying and Wei, acupoints, acupuncture, diseases and syndromes, etc.

Treatise on Exogenous Miscellaneous Diseases: It is one of the traditional medical works in China, and it is a medical classic mainly discussing exogenous diseases and internal diseases. The author is Zhang Zhongjing in the late Eastern Han Dynasty. Treatise on Febrile Diseases is a masterpiece of medical theory since Qin and Han Dynasties, which has been widely used in medical practice. It is one of the most influential classic medical works in China's medical history and the first masterpiece of China's clinical therapeutics.

Shennong Materia Medica Classic: Also known as Materia Medica Classic or Benjing, it was written in the Han Dynasty and named Shennong, which is the earliest known Chinese medicine book. According to legend, Shennong's herbal classics originated from Shennong and were handed down from generation to generation. It was compiled into a book in the Eastern Han Dynasty. This book was not written in a moment, and the author was not alone. Many medical scientists in Qin and Han dynasties collected, summarized and compiled the monographs on pharmaceutical experience at that time, which was the first book in China to systematically summarize traditional Chinese medicine. Most theories of TCM, compatibility rules and the principle of "harmony of seven emotions" have played a great role in the practice of medication for thousands of years.