[Problem] To provide a poultice applicator, wherein a plurality of disposable sheets formed of a rubber sponge, cloth or resin or disposable porous films are preliminarily attached to the poultice applicator and, after using, used rubber sponge, cloth or resin sheets or used porous films are successively removed so that a medicine can be applied to the skin each time using a new rubber sponge, cloth or resin sheet or a new porous film. [Solution] A poultice applicator that contains, for example, an analgesic antiphlogistic poultice or an antipruritic antiphlogistic poultice to be applied to the human skin enclosed therein and has a conventionally used rubber sponge, cloth, resin or porous film attached thereto, characterized in that the conventionally used rubber sponge, cloth or resin is covered with a plurality of disposable sheets formed of a rubber sponge, cloth or resin or disposable porous films.