“一题三析”是习题讲评课中学生自析、生生互析、教师补析的教学方法。通过对一堂初中科学习题讲评课“一题三析”之课例的分析,说明了“一题三析”的操作方法,阐述了“一题三析”能引导学生主动参与讲评课,进而提高初中科学讲评课效率。 “A question three analysis ” is a teaching method of students’ self-analysis, life-and-life interaction analysis and teacher’s analysis. Through the analysis of a lesson about a junior high school science problem-solving lecture “a question three analysis”, this article explains the operation method of “one question three analysis” and expounds that “one question three analysis” can guide students to take the initiative Participate in lectures, and then improve junior high school science class efficiency.