The so-called live class is to choose a fixed time to bring teachers and students together and teach the course through real-time live broadcast. There are some similarities between live classroom and traditional classroom. The only difference is that one is in the classroom and the other is in the online classroom. The advantage of live class can better restore the offline class scene and bring a more immersive teaching experience. It can realize real-time interaction and facilitate students to master knowledge better. It is convenient for teachers to better grasp students' learning situation and adjust teaching methods in time. It is convenient for teachers to manage students and help students with poor self-control to improve their learning efficiency.