CAI Yuan-pei is the practical guide and academic leader of early China audio-visual education.In Chinese history many audio-visual characters and events have a close contact with him.He attached importance to the social of media and put up a framework that generalized audio-visual education for China audio-visual education;he selected and raised audio-visual personnel;he established China Educational films Association;he drafted the laws and regulations for educational films;he laid the foundation for the smooth development of early audio-visual education.He initiated positively the films and other new media to utilize in the scientific investigation and social education,and set up a model for the application of new media.