A system, a method, and a control server for media display on a video wall are provided. The system includes a media server, a plurality of transcode servers, a video wall, and a control server connected through a network. The media server provides a media file. The control server determines cutting parameters used to cut a medium recorded in the media file into video data suitable for display on each of a plurality of displays according to configuration information of the displays in the video wall to generate a plurality of transcode tasks including the cutting parameters, and sequentially assigns the transcode tasks to the transcode servers to perform transcoding. The media server collects transcode result files uploaded by each of the transcode servers and provides the same for a player of the corresponding display to read and display on the display.