This paper carried out a study on the teaching mode of mixed line and offline under the background of post epidemic. The outbreak of New Coronavirus has hit the whole education industry like flood. In order to fight this battle of education, schools at all levels have been actively creating "war time" classes in the air. The purpose is to deeply integrate information technology and education and teaching, build a new effective hybrid teaching model focusing on online live broadcasting and cooperating with other online and offline learning activities, and ensure "online and offline, equal quality and efficiency". Therefore, summarizing and analyzing the prominent problems exposed by online education under the background of the epidemic and putting forward online and offline education integration measures are of great significance for giving play to the boosting role of online education and improving the quality of education in the information society in the post epidemic era.

Fang Li. Mixed Teaching Mode for Online and Offline under COVID-19 Epidemic Situation. Frontiers in Educational Research (2022) Vol. 5, Issue 1: 16-24. https://doi.org/10.25236/FER.2022.050103.

[1] Lai Fengpeng, Li Zhiping, Meng ya, Zhao Qianhui Discussion on the development of online and offline Hybrid Teaching in College Teaching.China Geological Education, 2021 (01): 56-59

[2] Rasheed Abubakar Rasheed,Amirrudin Kamsin,Nor Aniza Abdullah. Challenges in the online component of blended learning: A systematic review. Computers & Edu-cation,2020,144.

[3] Huang Baozhong, Zhang Zhen Online education cannot replace offline real scenes International Publishing weekly, June 15, 2020

[4] Ahmed Antwi-Boampong. Towards a faculty blended learning adoption model for hig-her education. Education and Information Technologies: The Official Journal of the IFIP Technical Committee on Education,2020,25(9).

[5] Liu Zhentian, Liu Qiang How can online teaching help the classroom revolution in Colleges and universities Rational cognition of large-scale online teaching action under the epidemic. Journal of East China Normal University (EDUCATIONAL SCIENCE EDITION), 2020,38 (7): 31-41

[6] Zheng Qinhua, Qin Ting, Shen Qiang, et al Current situation, problems and Countermeasures of online teaching during epidemic period . China audio visual education, 2020 (5): 34-43

[7] Porter W W, Graham C R, Spring K A, et al.Blended Learning in Higher Education:Institutional Adoption and Implementation. Computers&Education, 2020 (3) :185-195.

[8] Ren Zhimei How to make online education and teaching more effective under the epidemic si9uation. Information technology education in primary and secondary schools, 2020 (5): 20-22

[9] Lyons Kayley M.,Lobczowski Nikki G.,Greene Jeffrey A.,Whitley Jason,McLaughlin J-acqueline E.. Using a design-based research approach to develop and study a web-based tool to support collaborative learning. Computers & Education,2021,161.

[10] Chen Zitian Theory and practice of online and offline integrated in-depth teaching in Colleges and universities.JOURNAL OF SHENYANG NORMAL UNIVERSITY (SOCIAL SCIENCE EDITION), 2020, 44 (6): 97-104