在数学教学中,常听到教师哀叹学生的数学能力差.那么作为教师,如何有效培养学生的数学能力,应该引起我们的反思.笔者认为,只有将数学能力的培养渗透在平时的教学中,让学生拥有会思考问题的大脑,学生能力的提高就指日可待了.本文略举一例,谈谈解题教学中如何培养学生的发散思维能力. In mathematics teaching, we often hear that teachers lament that students have poor math ability, so how to effectively train students’ math ability as teachers should arouse our introspection.In the author’s opinion, we should only infiltrate the cultivation of math ability in the usual teaching, Let students have the brain that can think about the problem, the improvement of the ability of the student is just around the corner.This article gives an example to talk about how to cultivate the divergent thinking ability of the students in the problem-solving teaching.