This disquisition demonstrates the rationality of the theory that “honesty is made up of human and their words”which was put out by Xu Shen through a complete analysis to the record of honesty in Zuo Zhuan. Wherever the record of honesty existed in Zuo Zhuan, there always were human’s words as a background or echo. The conception that “Words mean honesty” was popular an in a leading position in the age that Zuo Zhuan was written. Such conception was tightly held by the social system and it also was a guarantee of people’s life.