A management computer, which is connected to a database that registers an image of an object and attribute information correlated, receives a photographed image of a photographed subject and photographed condition information, from a cellular phone unit, and obtains information relating to the photographed subject, from the received photographed condition information. Then, the management computer matches the information relating to the obtained photographed subject, with the attribute information registered in the database, matches the received photographed image with the images registered in the database, based on the matching result of information relating to the photographed subject, to specify the registered image corresponding to the photographed subject. The management computer reads the attribute information that is registered being correlated with the specified registered image, from the database, and sends the information to the cellular phone unit.