变式教学是以课本为依托，以大纲为指针，改变传统的教学模式，优化教学方法，达到启迪、训练、优化学生思维品质的目的，起到“减负增能”之功效，全面推进素质教育。本文就类比型变式教学和发散型变式教学在化学教学中的应用谈谈笔者的做法。互类比型变式教学类比是思维的一 Variant teaching is based on the textbook, the outline as a guide, to change the traditional teaching mode, optimizing teaching methods, to enlighten, training, optimizing the thinking quality of students, play a “burden reduction and energy” effect, and comprehensively promote quality education . This article on the analogy variant teaching and divergent variant teaching in chemistry teaching to talk about the author’s approach. Mutual analogy teaching analogy is one of the thinking