Affected by the ever-changing COVID-19 pandemic, colleges and universities in various countries have adopted the form of online teaching to implement the "virtual space" "course teaching. This has bucked the trend and ushered in an unprecedented surge in online education. Compared with traditional brick-and-mortar teaching, virtual online teaching as an emergency measure to prevent and control the COVID-19 pandemic has both advantages and disadvantages. For the new form of online teaching, teachers are facing more pressure and challenges, and students and parents are also very negative and helpless. In any case, the online virtual teaching and learning mode under the new normal will make everyone uncomfortable and face all kinds of new tests. Previous traditional online teaching belongs to the short-term education curriculum, more attention on the teaching plan, teacher role, and ability research, curriculum design, and so on, these is difficult to adapt to COVID-19 pandemic post-era of new network education, COVID-19 pandemic post-era of new network teaching belongs to the long-term education curriculum, in solving teachers quantify innovation, supervision students and network platform follow-up problems are insufficient. This paper studies how to solve the problems arising in the post-COVID-19 pandemic online education through teacher innovation, supervising students, and solving problems related to network platforms.