中文摘要：

对《内经》精的涵义进行梳理并划分为5个结构层次：按医学与非医学分为生命层面之精与哲学层面之精;＂中医学精＂分为人体精微物质之精和非人体精微物质之精;＂人体精微物质＂层面分为广义与狭义精微物质;＂狭义的人体精微物质之精＂的层面按生殖功能、来源、贮藏部位及物质的不同特点分类;＂狭义之精的贮藏部位＂层面按精分布于五脏分类。精的结构层次不同其涵义也不同,我们对精的分类越细化对其认识也就越准确。

英文摘要：

We cleared up the meaning of essence on Neijing and divided into five layers of structure. First,The life level and Philosophical level. Second,the essence of human subtle material and the essence of human subtle immaterial.Thirdly,the generalized subtle material and the special subtle material. Fourthly, we classified according to the reproductive functions,sources,storage of parts and material characteristics in special subtle material. The structure layer of different had different connotation.