兴趣是动力的源泉,是干好每一件事的前提。中学生有着蓬勃的朝气,能较好地适应外部环境的变化,但是生理和心理还没有完全成熟,所以在体育教学过程中,应让学生在快乐的气氛中接受知识,学会方法,发展体力和智力,驱散疲劳和烦恼。本文针对导致中学生体育课堂兴趣不高的内外部原因,对提高体育教学和训练效果的方法进行探究。 Interest is the source of motivation and is the prerequisite for doing everything well. Students with a vibrant vitality, can better adapt to changes in the external environment, but the physical and psychological is not fully mature, so in the process of physical education, students should be allowed to accept knowledge in a happy atmosphere, learning methods, physical development and intelligence , To disperse fatigue and worry. In this paper, aiming at the internal and external reasons that lead to the secondary school students’ low interest in PE class, this paper probes into the ways to improve PE teaching and training effect.