PROBLEM TO BE SOLVED: To accurately and efficiently manage attribute information.SOLUTION: An attribute information management device 10 includes an attribute information state storage unit 15b in which information indicative of a storage position of information which is stored in an address book storage unit 15a and has been changed and attribute information indicative of an attribute of the changed information are stored in association with each other. The attribute information management device 10 detects a change operation of changing information stored in the address book storage unit 15a and changing attribute information of the information. On detection of a change operation, the attribute information management device 10 specifies a position where information changed by the change operation is stored, to store information indicative of the position and changed attribute information into an attribute information state storage unit 15b in association with each other.
