自2004年始，高中新课程改革方案在我国各省份逐步实施，教材作为教学工作的重要资源也被重新编写进入课堂，新旧教材的更替给现代化教育带入了新鲜气息，本文以《课程标准》与《教学大纲》的不同教学理念为出发点，围绕《圆锥曲线》一章探讨在教学目标与教学内容上新旧教材的对比，并结合对教育工作者的访谈探究一线教师对新版教材的编写评价，为从事教育行业的人士提供教材的使用建议和信息，同时也为教材编写者接下来对教材的编改提供有价值的参考。

Since 2004, new high school curriculum reform program has put into practice in each province gradually. As important teaching resource, textbooks have been rewritten for courses. The replacement between the new and old textbooks brought fresh breath into the modern education. This article bases on different theories of The Standard of Teaching and Instructional Program, to discuss the comparison between the teaching contents of both the old and new versions of textbooks about Conic Section, and to explore the evaluation of teachers about the new edition of textbooks combined with the interviews with educators, thus may provide teaching staffs with suggestions of usages and information of textbooks, and can also give meaningful reference to textbook writers to edit new textbooks.