As the final examination approached, in order to improve students' initiative, high efficiency and interest in the final exam review, the mathematics group of Anqing Foreign Language School's Junior High Department held the activity of ‘making a mind map to review’ in the eighth grade. All the students participated in the activity, and the students had high enthusiasm. Overall, this activity not only enhanced students' interest in learning mathematics, but also made students return to textbooks again to lay a solid foundation. Therefore, the activity also achieved the desired effect.