Abstract: Before the spring semester of 2019-2020 is coming, according to the work requirements and situation in the new era, the University issued the notice on the undergraduate teaching work arrangement at the beginning of the spring semester of the 2019-2020 academic year, that is to say, before students return to school, they should make full preparations for online teaching. Online teaching for most teachers is both familiar and unfamiliar, and is unprecedented in scale; electronic technology course is a professional compulsory course, with a large number of students, rich content and difficult. How to face the great challenge of online teaching? Based on the actual situation of students, the nature and characteristics of the course, the related technology and resources of online teaching, this paper explores the selection of teaching resources, the selection of teaching platform, and assessment supporting materials. It also studies and analyzes the relationship between students' participation in class and the final paper scores, and finds that there is a certain positive correlation between them.

Key words: Teaching method, Online teaching, Electronic technology