[Analysis of "Tianyou (TE 16) and five regions" in the human body].

Focusing on the original text record in Huangdi Neijing ( Inner Canon of Yellow Emperor ), the relevant theories of "Tianyou (TE 16) and five regions" are explored, e.g. acupoint names, meridians and acupoint features, and the clinical application of these acupoints has been analyzed. It is discovered that "Tianyou (TE 16) and five regions" are mainly used in treatment of the disorders in the nervous system, five sensory organs and motor system. Besides, in terms of the relevant theories, "Tianyou (TE 16) and five regions" has been compared with "root and knot" and "twelve divergent meridians". It is found that "Tianyou (TE 16) and five regions" communicates the externally-internally related meridians and is applicable in treatment of the disorders with both exterior and interior involved. It is the essential acupoint composition of the human body.