<p>Disclosed are an image-providing system and an image-providing method, the image-providing system to provide an image to a mobile terminal, the system including at least one image acquisition device including an identification unit which detects identification information to identify a user and an image pickup unit which takes an image including the user corresponding to the detected identification information when the identification unit detects the identification information; and a server which transmits the image taken by the image acquisition device to the mobile terminal based on predetermined transmission information.</p>