Applied course is an important part of college curriculum system

and the improvement of its teaching quality is an inevitable requirement for the regional economic development. The principles of polymer materials and engineering with a strong theoretical significance and practical value is one of the foundation courses of "polymer materials and engineering" . The content is difficult to learn

and it is important to make students grasp the major content in a limited class. In the teaching process

open teaching method could be used for the students to fully participate in the learning and improve the efficiency for teaching and learning. The points of open teaching method including: (1) making the students know the content of the course in advance through sending course outlines to them; (2) providing students with alternative listening content by introducing autonomous selection mechanism; (3) introducing classroom competition mode and teaching abstruse theoretical knowledge through the competition.