China Educational Technology Association (CAET) was founded in 199 1, formerly known as China Audio-visual Education Association. It is a state-level mass organization approved by the Ministry of Education and filed by the Ministry of Civil Affairs. Her main tasks are: to urge all sectors of society to pay attention to and support educational technology work; Coordinate and organize educational technology research, hold various academic activities, and popularize the achievements and experiences of educational technology theory, technology and equipment research; To provide consulting services for educational technology decision-making of educational administrative departments; Training management cadres, teachers, theoretical researchers and technicians related to educational technology; Editing and publishing books, periodicals and materials, and exchanging educational technology information; Strengthen contact with relevant international organizations and carry out academic exchange activities; Accept the task entrusted by the Ministry of Education. Its members cover many schools and institutions in four fields: higher education, basic education, vocational education and adult education. At present, there are provincial and ministerial group members 102, and thousands of member organizations at all levels.