全面提高每一个学生的科学素养是科学课程的核心理念。为此科学教学必须要面向全体学生。学困生在班级中是一个弱势群体,我们就更加有责任和义务对他们进行关注和帮助了。根据学困生的心理和行为特征,大致可以分为有激情、自我保护以及自我放弃三个阶段。文章主要从这三个阶段出发分别采取了相应的对策,取得了较好的教学效果。 To comprehensively improve each student’s scientific accomplishment is the core concept of the science curriculum. To this end science teaching must be for all students. Poor students in the class is a vulnerable group, we have more responsibility and obligation to pay attention and help them. According to psychological and behavioral characteristics of students with learning difficulties, can be divided into passionate, self-protection and self-abandoning three stages. The article mainly take corresponding countermeasures from these three stages, and achieved good teaching results.