摘 要：气学说是中医学的基础理论之一。气是科学范畴，是实体性物质，具能量且是高能。中医学的气可分三个层次，其核心是氢气(H2)，更广的层次是液晶态组织液，最大层次则泛指非肉眼可见的具有可流动性挥发性的一类物质， 包括统称为气场的声光热电磁粒子等物理场和化学属性的分子运动场。

    关键词：气 氢气 液体系统 液晶态组织液 实物与气场

    Abstract： The Qi concept is one of the principle theories of Chinese medicine. Qi is belong to scientific category and is physical substance of high energy. Qi in Chinese medicine can be divided into three levels： the core level is hydrogen(H2)，the wider level is tissue fluid of liquid crystal state， and the widest level refers to a class of substance with characteristics of fluidity and volatility beyond the visual range ......