DISCLOSED IS A TRANSDERMALLY ABSORBED PREPARATION WHEREIN AN ANTI-DEMENTIA DRUG CAN BE ADMINISTERED TRANSDERMALLY IN AN EFFICIENT MANNER AND WITH LOW SKIN IRRITATION. MORE SPECIFICALLY, THE TRANSDERMALLY ABSORBED PREPARATION CONTAINS THE ANTI-DEMENTIA THERAPEUTIC DRUG, A MACROMOLECULAR COMPOUND HAVING AN AMINO GROUP, A POLYVALENT CARBOXYLATE ESTER, A FATTY ACID ALKYLESTER, A STYRENIC MACROMOLECULAR COMPOUND, AND A TACKIFYING RESIN.