The name of audio-visual education was formally established in 1940. Audio-visual education refers to a form of education that uses projection, slide show, recording, video recording, broadcasting, film, television, computer and other technologies to transmit educational information, and designs, learns and manages this process. It is an effective way and method to promote school education reform and improve the quality of education and teaching.

Audio-visual education institutions refer to specialized institutions in charge of audio-visual education, whose main tasks are film teaching, including selecting topics, making films, commenting on films, introducing foreign films, issuing and lending teaching films, and promoting film teaching. Their main responsibilities are: 1. Develop multimedia teaching materials and carry out research, exchange and service of multimedia teaching materials; 2. Develop educational and teaching resources and build educational and teaching information resources.