讲评作为教学中极其重要的环节,在弥补知识漏洞、完善学生的知识结构体系、改善学习方法和提高思维品质及得分率等方面起着重要作用。在讲评实践中教师往往陷入一味注重知识、思想方法的讲解,而忽视学生认识规律的研究、不良思维习惯的改变、探究能力的有效提高的误区,严重影响讲评课教学功能的充分发挥。笔者在教学实践中以问题为中心,以学生为主体,以互动为平台,构建"透彻分析找准问题→题目再审思路还原→问题 As an extremely important part of teaching, comment plays an important role in making up for knowledge loopholes, improving students’ knowledge structure, improving learning methods and improving thinking quality and scoring rate. In the practice of commenting, teachers tend to fall into the blindly stressing the explanation of knowledge and method of thinking while neglecting the study of students’ cognition rules, the change of bad thinking habit and the effective improvement of inquiry ability, which seriously affect the teaching function of lectures. In the teaching practice, the author regards problem as the center, student as the main body, interaction as the platform, and builds thorough analysis to identify and correct the problem.