The purpose of the present invention is to prevent warping of a microneedle sheet caused by the amount of moisture which the microneedle sheet absorbs from the skin differing between a sheet-shaped substrate and microneedles, as well as to prevent sweating of the skin, by having the amount of moisture absorbed by the microneedle sheet be greater than the amount of moisture diffused from the microneedle sheet. This microneedle patch is configured to have a layered arrangement of a sheet-shaped substrate, a plurality of microneedles upon the sheet-shaped substrate, and an adhesive sheet. The adhesive sheet has a property of being moisture-permeable, and is layered on the opposite face of the sheet-shaped substrate from the face of the sheet-shaped substrate having the microneedles.本發明的目的在於防止因微針貼布自皮膚吸收的水分的量在片狀基材與微小針之間有所相異而造成的微針片體的翹曲，以及防止因自微針片體所吸收的水分量比發散的水分量為多而造成的皮膚的悶熱，本發明的微針貼布係由片狀基材、片狀基材上的複數個微小針以及於在被積層於片狀基材的與具有微小針的表面為相反的表面且具有讓水分通過的性質的黏著片體所構成。
