根据新版高中数学课程标准，教育部重新编写了 6 套数学教材，本文选取新旧两版人教 A 版数学教材中的函数的概念与基本性质作为研究内容，并进行了对比研究分析。针对两版数学教材中函数的概念与基本性质部分的知识体系，本文应用了文献研究法、内容分析法、比较研究法，针对例、习题难度，还应用了例、习题难度综合模型，得到如下结论：新教材整体编排更有逻辑性；新教材知识内容删繁就简，重点更加突出，知识呈现更为严谨；新教材素材选取更为丰富新颖；新教材概念构建采用概念同化的教学方式；新教材例、习题数量增加，难度提升，习题的设置更有层次性、针对性、开放性、探索性。综合新旧教材比较结果提出了以下三点教学建议：做好已学知识与未学知识之间的衔接；结合学生学情，灵活设计教学内容；函数教学紧密联系实际生活，培养学生建模能力。

According to the new version of high school mathematics curriculum standards, 6 sets of mathematics textbooks have been rewritten. In this study, the new and old editions of mathematics textbooks are selected from the human education A version, and the concept and properties of functions as the study content for comparative study and analysis. This paper mainly adopts the literature research method, the content research method and the comparative research method, and the comprehensive difficulty model of examples and exercises is used to compare the knowledge system and the example and exercise difficulty in the two editions of mathematics textbooks, the following conclusions are obtained: The overall arrangement of the new textbooks is more logical; The knowledge content of the new textbook is simplified and the key points are more prominent; The selection of teaching materials is more abundant and novel; The concept construction of new textbook adopts the teaching method of concept assimilation; The number of new textbook examples and exercises increases, and the difficulty increases too. Based on the results of comparison between old and new textbooks, the following teaching suggestions are put forward: Do a good job in the connection between junior high school knowledge and senior high school knowledge; Function teaching is closely related to practical life and cultivates students' modeling ability; Combining with students' learning situation, flexible design of teaching content.