PROBLEM TO BE SOLVED: To provide a novel external patch that can perform overall care on the application surface and intensive care to the target region, and a package structure thereof.SOLUTION: According to the present invention, there is provided an external patch 1 in which a water-soluble base material 3 in a dried state is partially supported on a support 2, and is used such that, at the time of use, water is impregnated into the support 2 to dissolve the water-soluble base 3 while allowing the patch to be applied on the surface of the skin.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2017,JPO&INPIT【課題】本発明は、貼付面への全体的なケア及び標的領域への集中ケアを行うことができる新規な外用貼付剤、及び、この外用貼付剤の包装構造を提供することを目的とする。【解決手段】 支持体2に対して、部分的、且つ、乾燥状態で水溶性基剤3を担持させ、使用時に前記支持体2に水分を含侵させることによって、前記水溶性基剤3を溶解させながら、皮膚表面に貼付させて使用される外用貼付剤1とする。【選択図】図1