The part of audio and video files in college will be made into audio and video electronic files, there is a working link that cannot beignored. Before making audio and video electronic files, first of all, the audio and video files shall be classified into the categories of confidentiality and non-confidentiality. Only make non-confidential audio and video files of public into audio-visual electronic files, that universities campus and network could be provided view files (photos, video and text) to teachers and students to consult relevant reference by archives. There will be no specific content (such as photos, etc.) that leaks the secrets of school or portrait of a certain person as well as bad influence.