本文首先分析了导致目前中小学生身体健康水平下降的“莫衷一是的课改”、“形大于质的活动”、“面尊内轻的主体”等三个方面的原因,继而从中学体育课堂教学实际出发引入了竞技体育之中的注重技能、运动知识、健康气质等三大要素,以期通过这三大因素的渗透来提高中学体育课堂教学的实效。 This paper first analyzes the reasons why the present primary and middle school students’ health level declines from three kinds of “curricular reform”, “activities of more than quality”, “subjects of innermost respect and lightness”, and then From the actual teaching of middle school physical education, the author introduces the three major elements in sports, such as skills, sports knowledge and health, in order to improve the effectiveness of middle school PE teaching through the infiltration of these three factors.