An IC card creation entrusted company server for creating IC card creation data to be loaded on an IC card registers in advance in-advance registration information data including at least one or more application template information mountable on a IC card, receives IC car setting data consisting of card basis information data including personal information and IC card unique information specification data including one or more application specification information, extracts template information registered in advance for each application corresponding to the application specification information contained in the IC card setting data, creates load data of each application, and merges load data of each application, thereby creating IC card creation data.