随着中学体育教学模块教学模式的推进,中学体育课堂教学的研究已呈现追求教学有效性的趋势,要求体育教师在课堂教学的计划与实施过程中,最大效率地促进学生的学习主动性,高效实现学生体育素质的发展。本文旨在针对中学体育课堂教学中出现的问题,利用双主线体育课堂教学的设计策略,提高课堂教学有效性,最大程度达成预期课堂教学目标。 With the advancement of the teaching model of PE teaching module in middle school, the research on PE teaching in middle school has shown the trend of pursuing the effectiveness of teaching. PE teachers are required to promote the learning initiative of students efficiently and effectively in the process of planning and implementing classroom teaching To achieve the development of students’ physical education. The aim of this paper is to solve the problems in middle school PE classroom teaching, to take advantage of the design tactics of double mainline PE classroom teaching, to improve the effectiveness of classroom teaching and to achieve the expected teaching objectives.