初中阶段体育教学中，如何根据学生的生理及心理特点，提高课堂练习的密度，在教学方式和方法中我们采用循环训练的方法，不仅能完成发展学生的身体素质的任务，而且还能巩固动作技术，有效地提高了教学质量和效果。 In the middle school, how to improve the density of classroom practice according to the students 'physiological and psychological characteristics. In the teaching methods and methods, we adopt the method of circular training, which can not only fulfill the task of developing students' physical fitness, but also consolidate the action Technology, effectively improve the quality of teaching and effectiveness.