Research on the origin and development of the theory of Chinese herbs channel tropism
The theory of drug channel tropism is to elucidate the selective and therapeutic effect of drugs on the specific viscera and meridians of human body,and is an important part of the theoretical system of traditional Chinese medicine.The theory of drug channel tropism is rooted in the nature and flavor characteristics of drugs themselves,based on the theories of visceral manifestation and meridian and collateral,and finally becomes theoretical and systematic after clinical practice and theoretical exploration.The theory of drug channel tropism can be traced back to Huangdi Neijing in the Qin and Han Dy-nasties,but the records are scattered and lack of systematic discussion.From Wei,Jin,Southern and Northern Dynasties to Tang and Song Dynasties,the theory of drug channel tropism is further developed,but it is still in the embryonic stage.Zhang Yuansu,a doctor in the Jin Dynasty,pioneers the theory of"acting as the messenger to guide the channel".He for-mally discusses the drug channel tropism as medicinal properties in the Zhenzhunang,and the theory of drug channel tro-pism is formally formed.On the basis of inheriting Zhang's channel tropism theory,his disciples Li Dongyuan and Wang Haogu has continued to sublimate,summarize and perfect the theory of"acting as the messenger to guide the channel".The theory of"acting as the messenger to guide the channel"has not only enriched the theoretical system of traditional Chinese medicine,improved the clinical curative effect,but also helped to distinguish the effect difference of similar drugs.It can guide the compatibility and dosage of herbal.It improves the accuracy of syndrome differentiation and treatment,and en-sures the individuation of syndrome differentiation and treatment.It enriches the level of clinical treatment,broadens the angle of treatment,and makes it easier to deal with complex pathogenesis.This theory has far-reaching influence and has become one of the basic theories of traditional Chinese medicine.
drug channel tropismacting as the messenger to guide the channelchannel-guiding drugYishui School
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