Because chancellor plays the most important role in the bureaucracy, the choice of chancellor counts greatly on the national economy and people's livelihood. It's not only for the interest of the monarch, but also for the best interest of working people. Xunzi not only highlighted chancellor's ability to act,but also highlighted chancellor's ability to know. In addition,Xunzi attached great importance to self-cultivation of chancellor, asking chancellor to perform benevolence and wisdom. In the meantime, Xunzi also asked the monarch to perform impartially and seek talent with eagerness when appointing the chancellor, and give him enough trust and authority.