Abstract：Based on the interpretation of Zhu Zaiyu's “On the 11th Big Yin and Yang, Small Yin and Yang”, the paper presents an intuitive explanation by means of the list of icons made by Zhu's original method, besides, the paper analyzes and reviews the content of Twelve Lülü which revealed Zhu's law of big and small Yins and Yang's theory, finally, the author objectively expounds Zhu's Lülü on the law theory of Shangsheng, Xiasheng, Left Turning and Right Rotating, which gives an appropriate interpretation for Zhu Zaiyu's Yin and Yang properties.

Keyword：big Yin and Yang;small Yin and Yang;Shangsheng;Xiasheng;