The present invention relates to a substrate for a patch comprising gelatin, polyvinyl alcohol, methyl acrylate/2-ethylhexyl acrylate copolymer, and L-menthyl glyceryl ether, and the total mass relative to the matrix The content of the gelatin is 1.5 to 6% by mass, the content of the polyvinyl alcohol is 0.5 to 8% by mass, and the content of the methyl acrylate/2-ethylhexyl acrylate copolymer is 0.5 to 13% by mass.本發明係一種貼附劑用基質,其係含有明膠、聚乙烯醇、丙烯酸甲酯/丙烯酸2-乙基己酯共聚物、及L-薄荷基甘油醚者,且 相對於該基質之總質量, 上述明膠之含量為1.5~6質量%, 上述聚乙烯醇之含量為0.5~8質量%, 上述丙烯酸甲酯/丙烯酸2-乙基己酯共聚物之含量為0.5~13質量%。