Provided is a server system in which real-time communication based on a moving image group is performed between a number of users. The moving image collection/delivery server system accumulates moving images sequentially uploaded in real time via a network in a database, generates moving image thumbnails used to simultaneously display a plurality of moving images on a single display screen in real time, allocates the moving image thumbnails to a channel group adaptively generated from sequentially uploaded moving images, and delivers the moving image thumbnails to a terminal having a display and operating unit in real time via a network, and the sequentially generated moving image thumbnails are stored in an allocated channel in ascending order of shooting times and delivered to a plurality of terminals.