集合是历年高考的必考内容之一,主要考查对集合概念、集合语言、集合思想的理解和应用.对于集合问题,由于其概念抽象、题型多样、解法灵活,常常使许多同学在解题中出现对概念理解不透彻或思考不全面等错误.本文把平时为学生答疑辅导的集合问题归纳为五方面的常见易错题,进行正 Collection is one of the necessary examination contents of the college entrance examination over the years. It mainly examines the understanding and application of collection concepts, collection languages, and collection ideas. For the collection problem, because of its conceptual abstraction, multiple types of questions, and flexible solution methods, many students often solve problems. There are mistakes in the concepts such as poor understanding of concepts or incomplete thinking. This article generalizes the problem of collective counseling for students as a common error-prone problem in five areas.