China Modern Education Network (30edu. Com, formerly known as cn2 1edu. Com) was established on 200 1. It is one of the earliest central key education portals established in China. As the online propaganda and service position of the party and the country's education development in the new period and the R&D management center of the "National Primary and Secondary School Online School Project", it shoulders the mission and responsibility of popularizing national information technology education and has won the education management departments at all levels in the country.