《YI CHAN》was representative works by Jiao Hong to discuss 《YI》. He wrote 〈Foreword《Fu Si To Zan》〉, 〈Foreword《YI JUAN YEN》〉, 〈DA YE LI BU〉, 〈DA DAN ZU SHUO〉..etc. He was《YI》expert that fully appreciate the principle and develop in《YI》. In《YI CHAN》,he use a lot of ways to explain《YI》. For example:He quote early Qin dynasty expert's theory to explain《YI》. Confucian's theory to explain《YI》. 《SO WEN》to explain《YI》.Quote scripture and historiography to explain 《YI》.That is the important part to research in this paper.