A team is a * * * body composed of grassroots and managers. It makes rational use of each member's knowledge and skills to work together to solve problems and achieve the same goals. The elements of a team are summarized as 5P, namely, goal, people, orientation, authority and plan. There are some fundamental differences between teams and groups, and groups can transition to teams. Generally speaking, teams can be divided into five types according to the purpose of existence and the degree of autonomy: problem-solving teams, self-management teams, multi-functional teams, * * teams with the same goal, and active tacit teams. Coaches refer to specialized personnel who train athletes in physical training, and also refer to specialized personnel who train students in driving training institutions. Coaches master advanced teaching and training methods with the theoretical knowledge of special sports and high technical level, and comprehensively design, train, guide and supervise the athletes' ideological, physical, technical, tactical and moral will quality, so as to promote the athletes to get faster improvement at the original level. The steering group, with strong pertinence, aims to promote a very specific work, and its members are mostly part-time and mostly drawn from relevant departments. The function scope of the supervision team should be smaller than that of the inspection team/inspection team.