Through the survey, it is found that most students prefer to use video and images, which are different from the past teaching resources. Teaching videos and learning task lists are important materials for students' independent learning before class, and their quality directly affects students' learning effect before class, and ultimately affects the implementation effect of flipped classroom. As for the teaching resources in the classroom, they should be different from the materials given in the textbook and provide the materials that play a real role in students' thinking.