ABSTRACT
The 5-flavor tonifying-purging theory in Internal Classics is one of key basic theories of TCM, but its content is disperse, lacking orderliness and systematicness, bringing inconvenience to study and research. Inspired by the 5-flavor tonifying-purging figure in Five-organ Pharmacy Methods Edition, starting from the theory of same origin for medicine and Yi, framed basical y with river figure, based on the 5-flavor tonifying-purging theory inInternal Classics, compare the difference between theInternal Classicsand theEdition, design the corelation among the 5-direction, 5-Qi, 5-ele-ment and 5-flavor, as wel as the 5-flavor tonifying-purging rule, offering convenience for studying and researching 5-flavor tonifying-purging theory inInternal Classics.