An image management apparatus storing an input primary image and a replay-use reduced image corresponding to the input image comprises a first storage medium; a first database makeup unit for making up first database information for identifying a group to which the reduced image belongs when recording the primary image in the first storage medium; a second recording medium; a duplication unit for duplicating first database information and a reduced image recorded in the second recording medium into the first recording medium when the remainder capacity of, or the number of recorded files in, the second recording medium meets a predetermined condition; and a second database makeup unit for deleting first database information and a reduced image which are duplicated into the first recording medium from the second recording medium and also making up second database information for identifying the duplicated first database information in the second recording medium.