Online classroom can be said to be the result of the combination of Internet technology, multimedia technology and
classroom teaching.In particular, since the 2020 new crown, many schools have implemented online courses, as an alternative to
suspension during the epidemic.Multi-mode perception technology is a very practical technology to carry out online classrooms.
It can make classroom teaching diversification, making classroom teaching more lively and relaxed, further promoting the
improvement of students’ interest in learning.Therefore, we should actively promote the use of multi-modal perceptual technology
online class. Below, we will carry out some analysis according to this topic.