An image print system for printing a picture from an image file having additional information, which enables high-quality image printing to be achieved using various types of image data and their additional information. Image data obtained by taking subjects are sent, together with their additional information, to an image reproduction system in a photographic laboratory. The image reproduction system carries out processing of the image data in accordance with the additional information, and produces its resultant images in the form of image prints. The additional information includes post-processing information for temporally or spatially correlating a series of images to combine them or to select some of them.