Based on the theory of organizational inertia,all the theories,such as classic management theory which recommends a wholly mental revolution,behavior theory which emphasizes the importance of humanity,management science theory which reviews the system of organizational management,and modern organization theory which advocates the concepts of open systems and organization learning,are all established on the base of breaking down the paradigms of traditional organizational theories.Organizational theories and practices are innovated just in the course of overcoming organizational inertia.