Based on the pain points of "Functional Polymer Materials" course

such as more knowledge points

strong interdisciplinary

and less class hours

which affect teachers' teaching quality and students’ learning effect

this paper proposed to join three teaching links of "before class

during class

and after class "from the perspective of interactive cultivation of" core knowledge points + learning interests"

and make full use of the advantages of the online teaching platform of rain classroom to do a good teaching work of pre class preparation and post class consolidation. Meanwhile

the online and offline hybrid teaching reform of various teaching methods combination with offline diversified interactive classroom teaching can stimulate students' strong interest in learning and better grasp the core knowledge of the course. Thus continuously improve and raise the quality of teaching and learning effect of students.