《国家中长期教育改革和发展规划纲要》要求信息技术进校园、进课堂、进教材。现在,电子白板作为一种新型教学设备正在快速走进校园,由此会引起一种新的教学模式,这种电子白板教学将在各种类型课堂广泛应用,引领信息化教学蓬勃发展。本文以中等职业学校《电子技术基础》教材中整流电路教学为例,在教学中如何巧用电子白板创设“导入”情景,如何突出“重点”知识,如何拓展。 “National long-term education reform and development plan” requires information technology into the campus, into the classroom, into teaching materials. Now, the electronic whiteboard as a new type of teaching equipment is rapidly entering the campus, which will lead to a new teaching model, this electronic whiteboard teaching will be widely used in various types of classrooms, leading the vigorous development of information technology teaching. This article takes the teaching of rectifier circuit in the teaching material of “Basic Electronic Technology” of secondary vocational schools as an example. How to use the whiteboard to create “Import ” scene in teaching, how to highlight “Focus ” knowledge and how to expand it.