几何课程改革始终是数学课程改革的热点问题.在高中数学课程的经典内容“立体几何”方面,课标教材与大纲教材相比,在教材内容、体系结构、教学要求、研究方法等方面都有较大的改变.本文在课标与大纲教材的比较、不同版本课标教材的比较的基础上,探讨课标教材“平面”这一节内容的教学. Geometry curriculum reform has always been a hot issue in mathematics curriculum reform.Comparing with the classic textbook “Three-dimensional Geometry” of high school mathematics curriculum, compared with the teaching materials, the textbook content, architecture, teaching requirements, research methods and so on There is a big change.This article on the basis of the comparison between the standard textbook and the outline textbook and the comparison of the different versions of the textbook textbook, discusses the teaching of the content of the textbook “plane”.