| As an important part of physical education, the preparation of activity can not only overcome the inertia of the body, but also can not be ignored. The exploration and research of the preparatory activities is aimed at improving the quality of physical education, promoting the development of school physical education, promoting the implementation of the new curriculum reform, and realizing the full development of students. Should be new "physical education and health curriculum standards" requirements, the preparation of activities should follow the "health first" education philosophy and "to promote the comprehensive development of students" education goal, but the survey found that today’s junior high school physical education is entering a "dead end" that is, the content of the monotonous, organizational forms, students learning passive, the design of the activities of the lack of creativity. This topic is based on the analysis of these issues, combined with the concept of effective physical education class, the concept of "preparation activities, efficient construction", and from the factors affecting the preparation of activities, and how to improve the efficiency of junior high school physical education classroom preparation of two aspects, the use of literature, questionnaire survey, interview method, mathematical statistics and logical analysis, and other methods to explain the scientific system.Firstly, thesis defines the related concepts of "preparation activity", "efficient classroom", "College Physical Education" and "preparation activity efficiency". Secondly, the author makes a survey of Shenzhen Guangming New District Experimental School as an example from the students, teachers, school sports facilities and environment, and draws the following conclusions:(1) teachers and students to improve the understanding of the activity (2) to choose a single (3) organizational form (4) and the actual situation is not closely (5) to ignore the individual differences and students’ interest needs (6) to prepare the quality education. And from the preparation of the choice and preparation, the preparation of the activity of the effective design, improve the teacher’s own, the strengthening of the school related work to give the corresponding suggestions.Prepare the construction activities efficiency directly affects the quality of a PE class, with the deepening of the new curriculum, understanding of sports teaching and sports class continues to deepen, the preparatory activities are in the new wave of curriculum reform has attracted great attention of many scholars become a hot topic in the sports teaching the construction of efficient preparation for trying to make a clear, scientific, systematic and concrete scheme, so we need more people to participate in the wisdom to improve the quality of physical education, promote the school sports development, and promote the smooth and effective implementation of reform to contribute a new lesson, the necessity and significance of the research on it has the. The exploration of the academic concept of "preparation for activity" and "the evaluation criterion for the efficiency evaluation of the activity" is beneficial to the research of the subject. |