To exactly and quickly identify target image data of a processing work for executing some printing work of image data taken accompanied with the reception of a printing order after completing a printing process about the printing order upon receipt of the printing order.

The photograph printing system has an image processor 5 for correction-processing inputted image data, a photograph printer EP for print-processing on the basis of the correction-processed image data by the image processor 5, and an image data saver IS for storing and saving the correction-processed image data by the image processor 5. It comprises a data manager DM for setting a peculiar identification code to the print-processed image data every order so as to store and save the image data related to the identification codes in the image data saver IS.