• Journal of Korean Medical classics
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• v.27 no.3
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• pp.167-182
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• 2014

Objectives : In this article, an analysis of the changing theory(從化理論) of Sameumsamyang(三陰三陽) and Pyobonjung(標本中) in some important medical books, and the historical contexts of those is investigated. Methods : Primary literatures about the changing theory were searched by key words of Sameumsamyang and Pyobonjung in main medical texts, and then analyses and selecting of significant documents have followed. Results : The application of the changing theory to clinical treatment has been mainly done in the process of comprehension and practice about "Sanghanron(傷寒論)". Getting out of simple explanation about meaning of paragraphs in "Sanghanron", the clinical application has been expended to detail drug instruction and prescription managements. Conclusions : The changing theory of Sameumsamyang and Pyobonjung has been actively applied to supporting clinical treatment historically, not recognized merely as a ideal theory.