According to the calamity,divining and war described in Zuozhuan,the theory of Yin-and-Yang represents such forms as natural calamities,medicine and interaction between man and nature,which are significant for the historical development of the theory of Yin-and-Yang by military commanders.

The Deliberation in the Relation between The Yin-yang Physique Theory in The Yellow Emperor s Internal Classic and Theory of Human Nature;

An Early History of the Jing-Mai Doctrine:Qi,Yin-Yang and Mystic Numbers;

Wavelet Analysis Theory in the Perspective of Yin-Yang Philosophy;

The substance manifestations of Yin and Yang in traditional Chinese medical science;

On The Theory of ZhuXi s Yin and Yang In The Research About ZhouYI Can-Tong-Qi;

Yin Yang--order parameter of human body system;

Jing is a fundamental structure of Qihua which can t express any defference of future life at stage of Jing; Yin Yang expresses the evolution regularity of life which has defferent nature;five elements expresses a team of natural number which under five elements and it contral life to evolute at five stages.