构造函数解题由于其思想灵活,技巧性高以及涉及的知识面广已被大量的学者研究,随着教改的不断深入,对数学知识应用能力的要求进一步提高也使构造函数解题高频率地出现在高考中。与此同时,构造函数解题也是高中数学学习过程中,对学生学习能力要求最高,也是学生学习最为困难的部分之一,其难主要体现在以下三个方面:其一,高考试题题型多样,哪些题型需要构造函数来解决、而哪些 Because of its flexible thinking, high skill, and wide range of knowledge, Constructor Problem has been studied by a large number of scholars. With the continuous deepening of education reform, the further improvement of the application ability of mathematical knowledge also makes the constructor solve the problem with high frequency Appear in the college entrance examination. At the same time, constructor problem solving is also a high school mathematics learning process, the highest requirements for students’ learning ability, but also one of the most difficult part of student learning, the difficulty is mainly reflected in the following three aspects: First, the types of questions , Which questions require constructor to solve, and what