Abstract: In the post-epidemic era, online and offline blended teaching is gradually becoming the main trend of course teaching. Blended teaching can be divided according to content, some content is placed online, and some content is placed offline; it can also be divided according to space, some students study online and some students study offline; they can also be divided by function, and the lectures are offline, and the assignments, tests, and answers are online. This article takes the teaching of the college physics course as an example to illustrate the complete teaching process of online and offline hybrid teaching in detail. Compared with traditional teaching, online and offline hybrid teaching has obvious advantages in dealing with the epidemic, assessment and evaluation, and teaching effect.

Key words: college physics, online and offline, blended teaching