Abstract
Facing the severe epidemic situation, China's education department has put forward an online teaching emergency plan of "Stopping going to school while keeping teaching online", so that many students in secondary vocational school can avoid close contact back to school and protect their lives and health. At the same time, it guarantees the teaching progress in the special period. Teachers in secondary vocational school prefer to choose DingTalk software to develop online teaching models. In the teaching of the vocational English network platform, online teaching is a reform of the teaching form based on information technology and the Internet. Teachers can use the DingTalk platform to interact with students, so that the online teaching method meets the individual needs of students. It takes good account of students with different English foundations and levels, and greatly stimulates students' interest in learning. This paper analyzes the advantages and disadvantages of online teaching and explores the online teaching model.