The purpose of the present invention is to provide a transdermal absorption-type patch preparation comprising zonisamide, said transdermal absorption-type patch preparation comprising zonisamide or an alkali metal salt thereof as zonisamide or an alkali metal salt thereof, being capable of holding a high concentration of the drug in a dissolved state therein and exerting a sufficient and long-lasting drug effect. A transdermal absorption-type patch preparation that comprises an adhesive layer, said adhesive layer comprising zonisamide or an alkali metal salt thereof, an adhesive agent comprising a (meth)acrylic copolymer having a pyrrolidone group, and a transdermal absorption promoter comprising an N-alkylpyrrolidone.
