To easily and efficiently make developable commodities for rousing demand according to customer needs for setting various financial commodities, in a financial commodity setting supporting system and the supporting method for supporting the setting of the commodities for setting various financial com modities.

This system has a predetermined number of tables 19 to 22 for storing a predetermined number of kinds of mutually related specific information for specifying elements constituting the financial commodities based on condition data for specifying a customer target layer. An element developing means 13 and a float factor adding means 14 develop the specific information of a corresponding table based on the condition data according to the relation, and specify an element group of at least a financial condition and a commodity pattern. A commodity setting means 15 sets an financial commodity corresponding to each element referring to financial information DB 23.