Abstract: During the new coronary pneumonia outbreak, the teachers of the course group "Tobacco Raw Material" in tobacco engineering of Zhengzhou University of Light Industry actively carried out the course reform, and adopted the method of teaching online. The course group actively studied and explored the method of teaching online. During the teaching online, ideological education, Chinese traditional culture and science story were integrated into professional classes, which was of great significance for innovating teaching method and improving students' comprehensive quality.

Key words: Teaching online, Tobacco raw material, Tobacco engineering