<;P>;PROBLEM TO BE SOLVED: To provide a patch sheet for teeth or gums eliminating trouble possessed by a conventional patch sheet, having an excellent feeling of use, sense of incompatibility, adhesiveness to teeth, and operability, wearable in the oral cavity over a long period of time, and effectively applying a medicament. <;P>;SOLUTION: The patch sheet for the teeth or gums includes a support, and a paste composition having adhesiveness to the teeth or gums. The support has a three-layer structure in which a polyethylene or polypropylene layer (C) having 10-30 &mu;m thickness is interposed between a spunlace nonwoven fabric (A) containing polyethylene terephthalate or polypropylene, and a spunlace nonwoven fabric (B) containing rayon. In the patch sheet for the teeth or gums, an adhesive layer with the paste composition is formed on the spunlace nonwoven fabric (A) containing the polyethylene terephthalate or polypropylene. <;P>;COPYRIGHT: (C)2010,JPO&INPIT