To provide a personal support data processor allowing anyone to easily retrieve and refer to the personal registration information registered in a large information processor via the Internet.

This processor comprises a means for registering personal information according to appeal type; a means for converting and displaying the preliminarily registered personal information to appeal data; a means for setting an exclusive mail address used within the device every registrant; a means for converting the preliminarily registered personal information to questionnaire answer data desired by the registrant; a means for providing the preliminarily registered personal information to a market research data requester; a means for converting the preliminarily registered personal information to exhibition preliminary registration data desired by the registrant; and a means for classifying, storing and registering disclosed information and/or undisclosed information as external inquiry information and/or non-external inquiry information.