Mind map is an effective note-taking method for helping students understand and remember the course contents. Considering the wide range and complexity of the course of polymer composites

mind map can be of great help in the learning process. How to guide students to use mind map correctly and build their own knowledge system during learning

this paper discusses the relevant teaching principles and strategies and shares some of our practices. The principle of independence ensures the effectiveness of this teaching method and avoids becoming a mere formality; The principle of stratified teaching is conducive to helping each student achieve good learning results according to the characteristics of students' thinking mode at different levels.