From evolution, it points out the reasonability of spleen and stomach being the postnatal base in TCM, and expounds that capillary is one of the primary existent forms of spleen in evolution.

• 从进化的角度指出中医学的脾胃为后天之本的理论的合理性，阐明了毛细血管是脾藏在进化上的原始存在形式之一。