The invention provides a percutaneous absorption agent having a support and a drug-containing layer, in which the drug-containing layer comprises riociguat as an active ingredient, and carboxylic acid or phosphoric acid.本發明所提供的經皮吸收型製劑,係具有支撐體與含藥物層的經皮吸收型製劑,其中,該含藥物層含有作為有效成分之瑞奧茲特、及羥酸或磷酸。