The earliest Chinese medical literature by "the difficult

      Chinese medicine theory works. Formerly known as the "81 difficult huangdi 3, no. The original problem, but the more people pick the qin dynasty, according to research it is a TuoMing works. About YuDongHan in writing before the qin (said). The book to difficult form, i.e., explain the assumption q&a complicated, it shall be compiled style called "difficult. The" Contents include pulse, meridian, zang-fu organs, etiology and pathology, Yin and Yang wei yu camp burrows, acupuncture and other basic theory, also whom some disease and syndrome. This book mainly with the basic theory, combined with clinical medicine, in part based on theory of pulse, organs, more meridians, yu point as key. Among them 1 ~ 22 difficult theory veins; 23 ~ 29 difficult theory meridian; 30 ~ 47 difficult theory viscera, 48 ~ 61 difficult theory disease; 62 ~ 68 difficult theory yu acupuncture point; 69 ~ 81 difficult theory stitches. For in the book of the triple academic ideas and mingmen about seven flush door and seven of the digestive tract ChongYao (site) and eight will (dirty, heart-sweetening, tendons, pulp, blood, bone, pulse, gas and other nutrients junction) names, enrich and develop TCM theoretical system. The book also explicitly proposed "typhoid have five" (including stroke, typhoid, wet temperature, fever, WenBing), and the products of the organs such as diarrhea, pressure-relief elucidating many ill necessary for posterity attention. The book's contents, analyzing subtle, Jane dominates in Chinese medicine classics with neijing and often, is considered the most important one of the classical medical record. Have many versions and comments this.