The school of management refers to the classification of different management ideologies and theories. The following are some common management schools, their representatives, representative works, and main ideas: 1. Target-oriented Management System, represented by Sture Roizen, William D Hearn, etc. This school of thought advocated that companies should focus on achieving specific goals and develop corresponding plans to achieve these goals. His representative works included "Management by objectives." 2. Strategic Management System: Joseph M. McGrath, Michael Porter, etc. This school of thought believed that companies should develop strategies to achieve long-term goals and develop corresponding plans and strategies to achieve these goals. His masterpieces included "Enterprise Strategy." Change Management System: William D. Hearn, Tom Peters, etc. This school of thought believed that enterprises should achieve their goals and identify and solve potential problems by managing and promoting change. His representative works included Change Management. 4. School of organizational behavior (and organizational behavior System): James Knight, Tom Mills, etc. This school of thought believes that organizations are an integral part of human society and should be seen as a complex system designed to achieve specific goals. His representative works include "Organization of Action" and so on. 5. Human Resource Management System: Representatives include Carlos Castanida, Mauricerice Between, and others. This school of thought believed that enterprises should pay attention to the interpersonal relationships of employees and achieve the goals of the enterprise by establishing good interpersonal relationships. His representative works included "Interpersonal Relationship Management."