Stressed the tasks of the people: "The management is from one or more individuals to coordinate the activities of other people, in order to receive a separate personal activities can not be received by the effect." Such a definition for the starting point: The reason why people in the community in the form A wide range of organizations and groups, which is due to collective labor can be obtained by the effect of individual labor can not be achieved, or only in very small scale, very long time to achieve. U.S. Apollo moon-landing plan has brought together tens of thousands of scientists, thousands of companies for their research, design and manufacturing. This enormous project by the knowledge that no one can fully grasp, let alone specific to the realization of this plan. Even as the construction of such housing are relatively simple, single individuals do have limitations in only a very small scale, but also to spend a considerable length of time can be completed. In short, the activities of the Organization to expand the capacity of the human. However, to really received the results of this collective labor, there must be a prerequisite, that is, members of the collective activities must be coordinated. Brownian motion in physics similar to the activities, is not able to receive such effects. To this end, we need a specialized activities, which is management.