During the epidemic prevention in 2020, according to the Notice of the General Office of the Ministry of Education and the General Office of the Ministry of Industry and Information Technology on the Work Arrangement of "Suspension of Classes and Non-stop Learning" in primary and secondary schools, the national network cloud platform for primary and secondary schools was released. In order to support the work of "stopping classes without stopping studying" and help students study at home, the Ministry of Education integrates the high-quality teaching resources of the country, relevant provinces and cities and schools, and opens the cloud platform in the postponed school year. The national primary and secondary school network cloud platform was launched on February 17, 2020.

Platform resources include epidemic prevention education, moral education, special education, curriculum learning, electronic teaching materials, film and television education, etc. Among them, the course study is selected from the original resource database developed nationwide in recent years, and supplemented and recorded by key teachers in Beijing and other places as needed, covering junior high school 12 subjects. Courses are launched one after another on a weekly basis, with the first week 169.

At the same time, Channel 4 of China Education Television broadcasts primary school-related courses and some junior and senior high school courses to users all over the country through satellite live broadcast, with a total of 75 classes in the first week, especially covering remote rural areas with weak network signals or areas that cannot be reached by cable TV.