Promoting depending on self-ability,choosing generals according to enemies,taking care of subordination and praising and punishing rationally is the principle of Caocao s administration.

The award and punishment theory and practice display different characteristic in the Legalist School and the Mohist School,for the theory foundation is different.

It has been proved for many a time that there exists an inner relation and strong interaction between interests and rewards and punishments: the realization and distribution of interests involves strong rewards and punishments; rewards and punishments are fundamentally to maintain and realize certain interests.