Provided is a poultice provided with a support and an ointment layer on top of the support, wherein the ointment layer contains 1.5-2.5 mass pcnt of ketoprofen, 1.5-2.5 mass pcnt of 4-tert-butyl-4-methoxydibenzoylmethane, and 12-18 mass pcnt of propylene glycol based on the total mass of the ointment layer.