三角函数最值问题是三角函数基础知识的综合应用,是高考常考内容之一。解这类题,涉及求最值的诸多方法,是高考命题的热点。通过对相关试题的研究,主要总结了七类三角函数的最值问题,并且一一举例分析。通过对这七类问题的分析研究,将其恰到好处地运用在教学过程中,能够帮助学生走出误区,掌握求解方法,提高分析能力和解题技巧。 The most important issue of trigonometry is the comprehensive application of the basic knowledge of trigonometry, which is one of the most frequently studied content of college entrance examination. Solutions to such questions, involving the most value of many ways, is the hot topic college entrance examination. Through the research on the related questions, the paper summarizes the most value problems of seven kinds of trigonometric functions and gives an example analysis. Through the analysis and study of these seven kinds of problems, it can be just used in the process of teaching, which can help students to go out of the myth, master the solving method, improve their analytical ability and problem-solving skills.