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Nan Jing is the abbreviation of Huangdi Bashiyinan Jing, or Bashiyi Nan. Old title written by Qin Yue-ren. It was probably written between the end of the Western Han Dynasty and the Eastern Han Dynasty. The earlier extant editions include the Ming Jing Factory's engraved medical essentials collection, Japan's Takemura Shibei's engraved Song Dynasty. Wang Jiu-si Huangdi's Eighty-one Difficulties Collection Notes This book. There are about 50 people who have annotated and developed it in the past dynasties.

This book focuses on the profound Chinese medicine theory in Neijing and summarizes it into 81 questions to explain and solve problems. The content includes pulse diagnosis, zang-fu organ, yin-yang, five elements, disease energy, nutrient-defense, back transport point, acupuncture and moxibustion, as well as triple energizer, Mingmen (GV4), eight extra meridians and other theoretical problems. It involves discussions on various difficult issues such as the normal physiology, anatomy, diseases, syndromes, diagnosis, acupuncture and moxibustion and treatment of the human body, as well as the yin-yang five elements theory. The content is very rich and plays an important role in elucidating the basic theories of Chinese medicine.

The book has a total of 3 volumes (one is said to be 5 volumes), divided into 81 difficult levels. Difficulties 1 to 22 mainly discuss pulse theory, introducing the basic knowledge of pulse diagnosis, basic theories of pulse theory, and normal and abnormal pulse manifestations. First, he proposed the pulse diagnosis method of cus kou, which unified the ancient more complicated pulse diagnosis methods such as three positions and nine pulse-takings into "cus kou". , simple and easy to implement. The pulse diagnosis method of "three positions and nine pulse-takings" is established, which takes the wrist cun, guan and chi as three parts, and then divides the floating, middle and sinking parts of each part into nine pulse-takings. Nan Jing has played a role in discussing the significance of normal pulse and abnormal pulse reflected in various diseases in disease diagnosis, and the identification of various pulse manifestations. Huangdi Neijing > The theory makes it easier for scholars to understand.

23?29 discuss the multiple abscess of meridian, the length of meridian and collateral, nutrient-defense degree, eight extra meridians, fifteen collateral vessels and related diseases and syndromes. For Lingshu ? The meridian chapter gives an in-depth explanation, focusing on the symptoms of meridian qi failure. Nan Jing focuses on the meaning, content, circulation location, beginning and end of eight extra meridians, as well as its relationship with twelve meridians, onset syndromes, etc. of Neijing.

30?47 is difficult to understand zang-fu organ theory as the main topic, which introduces the anatomical morphology, physiological function and nutrient-defense behavior of zang-fu organ. For triple energizer, Mingmen (GV4), seven important portals (that is, the lip is the fly portal, the teeth are the portal, the epiglottis is the suction portal, the stomach is the cardia, the lower gastric opening is Youmen (KI21), the large intestine and the small intestine will be the appendix , the root of nose is the anus) and the Eight Meetings Theory are all explained. Nan Jing The wonderful theory of the "seven important portals" of the human digestive tract from the lips to the anus can be said to have benefited from the scientific data obtained by doctors at that time in actual anatomy.

Difficulties 48 to 61 mainly discuss diseases. It is emphasized that syndrome differentiation should be based on the four examinations and the relationship between the five elements should be used to clarify the transmission and prognosis of the disease. List diseases caused by cold, diarrhea, madness, heart pain, abdominal mass, etc. as examples of syndrome differentiation, and there are many scientific conclusions.

Difficulties 62 to 68 mainly discuss acupuncture and moxibustion acupoint. Focus on the in-depth discussion of the alarm points of five zang-organs, the treatment of back transport points, and the main diseases treated by five transport points. Pay attention to the narrow sense of back transport point and the relationship between some specific bits and meridian qi operation, as well as the relationship with zang-fu organ, etc.

Difficulties 69 to 81 mainly discuss acupuncture methods, such as directional reinforcement and reduction method, the method of stabbing wells and purging water, the method of tonifying the mother and purging the seeds, the method of purging the fire and replenishing the water, etc., as well as the application, contraindications and precautions of these methods. It was pointed out that acupuncture therapy should be adapted to the current conditions and should focus on treating diseases before they occur.

Nan Jing not only enriched the content of the motherland's medicine in theory, but also discussed a lot in clinical aspects. In addition to acupuncture and moxibustion, he also proposed the theory of "disease caused by cold with five", which had a certain impact on the development of the disease caused by cold theory and the warm diseases theory in later generations. Nan Jing's discussion of diagnostics, Acupuncture and Moxibustion has also been followed by doctors. It has had a broad and far-reaching influence on the theoretical thinking and medical research of medical scientists of all generations.