教学中错题的价值不可小觑——因为这正是学生最大的增分点.老师通过习题错解能发现学生的知识、方法或能力上的漏洞,从而使教学有的放矢更具有针对性.很多有经验的老师不仅要求学生建立错题库,自己也在建立错题库.这是个非常好的举措,但如何用好题,各个老师见仁见智.本人经过长时间探索,总结了“六步教学法”的错题讲评模式,本文仅以一道热学典型错题的讲评为例和同行们切磋交流. The value of mistakes in teaching can not be underestimated - because this is the biggest increase in points for students. The teacher can find out more about the knowledge, methods or abilities of students through the misunderstanding of exercises so as to make the teaching more targeted. Experienced teachers not only require students to create the wrong question bank, they are also creating the wrong question bank.This is a very good move, but how to make good use of the questions, all the teachers have different opinions.Through a long period of exploration, I summed up the “six-step teaching method ”The wrong title comment mode, this article only a thermal problem of the typical fault-based comment as an example and peer exchanges.