Polymer chemistry is an important basic course of polymer major. It is very important of cultivating the students' ability of dialectical thinking and teaching them unity of opposites and development sight to view the problem in the teaching process for the improvement of students' scientific research and technology development capabilities. Teachers should use the method of dialectical thinking to explore the thought essence in the contents of the course during the teaching process

meanwhile

make full use of method of thinking reflected in the literature resources

build extensive connections of the contents

guide the students to discus in-depth

develop the habit of thinking comprehensively and thoroughly about the problem from different angles

improve the ability of find and solve problems

and gradually form a scientific thinking ability.