本文从教育心理学,论述了复合投影片在教学中的地位和应用价值。特别是通过制图课教学反复试验,进一步说明复合投影片在节省课堂教学时间、启发学生独立思考、解决重点和难点内容方面,起到了事半功倍的作用。这项教学研究成果,目前已被全国许多院校所采用。复合投影教学片是电教手段之一。它在教学方法改革中将显示出很好的优越性。 This essay expounds the status and application value of compound slide in teaching from educational psychology. In particular, through repeated experiments in drawing lessons, this article further illustrates that compound slide shows play a multiplier role in saving classroom teaching time, inspiring students to think independently and solving important and difficult issues. The teaching and research results, has been adopted by many colleges and universities. Composite projection teaching film is one of the means of teaching. It will show great superiority in teaching method reform.