To efficiently transmit an order when the order incapable of coping with it exists in an assigned print service company based on an assigned reception shop, in a case of ordering printing for an image data by a network.

A laboratory information table T1 is stored in a database 22 in a service center 2. When receiving order information C incapable of coping with it by itself in a kind of print service, a large-sized print, a postcard print and the like provided by itself, the print service company 3 conducts registration on the laboratory information table T1 to transmit the order information C automatically to another print service company 3. An order receiving server 21 judges a content of the order information C transmitted from a user, and transmits it to an assigned transmission destination when required to be transmitted, in reference to the laboratory information table T1.