“轻负高质”的内涵是减轻学生课业负担和心理负担,提高教师素质、教学效益和学习效率,培养刻苦学习精神,促进学生自主化、个性化、可持续的发展.实践证明,超过学生的身心承受能力的负担,反而会阻碍学生的成长,扼杀学生的学习主观能动性,使学生失去创造的活力.笔者在初中数学教学岗位上工作了十多年,通过不断总结教学实践经验, The connotation of “light, negative and high quality” is to reduce students ’academic burden and psychological burden, to improve the quality of teachers, teaching effectiveness and learning efficiency, to cultivate hard-working learning spirit, and to promote students’ independent, personalized and sustainable development.Practice has proved that, Exceed the burden of students ’mental and physical abilities, but will hinder the growth of students, stifle students’ subjective initiative, so that students lose the vitality of creation.I work in junior high school mathematics teaching for more than a decade, through continuous sum of teaching experience,