A storage area management method executed by a computer, includes generating a first facility user ID, with which a user can be identified, for the user using a first facility in a first data storage area managed by the first facility; identifying a first personal information ID to specify a first personal information storage area storing personal attribute information attributed to the user, by an input from the user on use of the first facility, or identifying a second personal information ID newly specifying a second personal information storage area from a personal information storage unit; and storing data generated by the use of the first facility by the user, in the first data storage area and in a storage area identifiable among one of the first personal information storage area and the second personal information storage area.
