激发兴趣是启动学生学习心理的动力,是诱发学生思维的源泉,是提高教学实效的关键。因此,新课程背景下化学课堂教学要重视激发兴趣。本文从激发学生求知的兴趣、思维的乐趣、参与的情趣和进取的志趣四个方面入手,对激发兴趣的作用、方法和途径进行理论和实践的探讨。 To stimulate interest is to start students motivation to learn, is to induce students to think of the source, is to improve the teaching effectiveness of the key. Therefore, under the background of the new curriculum chemistry classroom teaching should attach importance to stimulate the interest. This article starts from the four aspects of arousing students’ interest in seeking knowledge, the joy of thinking, the taste of participation and the enterprising interest, and makes a discussion on the theory and practice of the role, the method and the way of stimulating interest.