Abstract: During the epidemic period, Tencent QQ group is widely used by teachers in online classroom to achieve instant communication between teachers and students. Through the author's personal supervision and teaching experience, it is found that it is difficult for teachers to use QQ group communication to complete the teaching organization, and it is prone to communication cold or communication disorder. Then, it analyzes the characteristics and problems of instant communication of QQ group, and puts forward some coping strategies such as establishing online communication order, improving online communication ability, and maintaining a good online communication environment. Finally, based on the coping strategies, combined with the author's teaching supervision, teaching practice and online teaching research, put forward a series of specific methods and measures to implement strategies.

Key words: Online instant communication, Classroom management, Teacher-student communication, Online communication ability, Network language