Broadly speaking, it is school to school, class to class, and individual to individual. Inter-school communication is mainly based on network communication (education bureau level), while Banbantong is mainly based on digital campus and distance education (education bureau and school level). Everyone is an e-book bag, teaching resources, etc. (school level). The main role of the state is to narrow the gap of uneven distribution of educational resources in different regions and lead the future educational trend. Nanbo education.