the acoustic image file is an important part of railway construction project files, is the most direct way to reflect the content of the carrier, intuitive reflect an important node in the process of railway construction project and the project implementation process, the important link, important events in the real appearance of special parts and hidden parts. This article is based on the actual situation of railway construction, the actual problems and basic research, trying to set up a complete set of audio-visual archives management system, in order to meet the new situation of railway construction project management and utilization of audio-visual archives.