A patch comprising a backing layer and an adhesive layer disposed on the backing layer and compounded with an adhesive agent and oxybutynin and/or a pharmaceutically acceptable salt thereof, wherein the adhesive agent comprises an acrylic polymer substantially free of both carboxyl group and hydroxyl group and a rubber polymer, in which weight ratio of content of the acrylic polymer to content of the rubber polymer is from 1:4 to 1:19.