Confucianists thoughts had developed many schools since Confucius. Although each school has its authorized thought, the thought has changed in the different times, however, it is the certain trend. The Confucianists thoughts faced the huge change during the time of Xun-zi, in other words, the Confucianists thoughts must be adapted to suit the social situation. One of the political thoughts of Xun-zi is “the theory of man are born evil”, this thought is criticized, but it also be respected by the descendant scholarists. The academic thought of Xun-zi is not completely original from Confucianists thoughts, but in the book of “Xun-zi”, always mentioned the principles of the ancient sage-kings, and cited the classics from the Confucianists. So it is undoubted that the continuity and the position of Confucianists thoughts.