Five Phases theory is one basic theory in Chinese medicine

but also being highly questioned. In this paper

the circular motion model

abstract definition

vector model and sine curve model of Five Phases were established according to the law of the sun and logic method under the guidance of axiomatization. It has been proved that Five Phases theory is based on the law of the sun operating rules and the concept of yin and yang

with a solid theoretical foundation and logicality. The existing and new conclusions can be derived from the concept of Five Phases mentioned above

so it is a starting point for the theoretical system of Five Phases and can be called Five Phases axiom system.