Provided is an adhesive patch containing ropinirole serving as a therapeutic drug for Parkinson's disease, with the ropinirole used being free ropinirole (ropinirole in free form) added to an adhesive base, wherein the patch exhibits favorable drug permeability and excellent drug stability. Also provided is a transdermal absorption patch using, as an adhesive base, an acrylic-based adhesive having no specific carboxyl group and having a hydroxyl group or a pyrrolidone group, with the patch including free ropinirole added to the adhesive base. Further provided is a ropinirole-containing transdermal absorption patch including a transdermal absorption promoting agent.
