The present invention provides a patch containing beraprost or a pharmaceutically acceptable salt thereof which is excellent in the transdermal absorbability of beraprost or a pharmaceutically acceptable salt thereof and also excellent in the physical properties of formulation.本發明係提供一種貼附劑,其係含有具優異的經皮吸收性之貝前列素(Beraprost)或其於藥理學上可容許之鹽類,且含有貝前列素或其於藥理學上可容許之鹽類之貼附劑具有良好的製劑物性。