Abstract: XIE Zhen often discussed Qi Zheng in Si Ming Shi Hua. XIE Zhen has attentioned torhythm and pursued the musical beauty. In the process of pursuing rhythm, XIE Zhen more emphasised on the odd of words, the odd under plain, the odd of partial frame, while he was against the odd of astringent.When emphasizing the positive rhythm, it referred the positive of law and format and as LI Bai andDU fu for the positive. The relationship of XIE Zhens Qi and Zheng theory is the connection of the root and the target, which aims to reconcile thecontradiction of the style theory and the disposition theory.