现阶段学生的学业负担太重已经成为我国素质教育发展的障碍.摆在广大教师面前的中心任务就是如何实现减负增效,国家教育部针对学生学业负担太重的问题提出了减负增效这项举措.学生减负容易,但是增效一直困扰着广大的一线教师,本文结合自己化学教学工作,谈一谈如何提高化学课堂的有效性以及减负增效的策略研究.减负增效是国家教育部针对学生学业负担太重的问题提出了这项举措,学生学业负担过重,严重影响着学生的身心健 Too much academic burden on students at this stage has become an obstacle to the development of quality education in our country. The central task before the majority of teachers is how to achieve the goal of reducing the burden on the students and reducing the burden on the students. Measures to reduce the burden on students, but the efficiency has been plagued by a large number of front-line teachers, this article combined with their own chemistry teaching, talk about how to improve the effectiveness of chemical classrooms and reducing the burden of reducing the efficiency of strategic research. Students put too much emphasis on this issue of education initiatives, students overburdened, seriously affecting the students’ physical and mental health