A microneedle sheet according to an embodiment comprises a plurality of microneedles formed on a sheet substantially along a principal surface of the sheet. The sheet is bent to raise the microneedles from the principal surface, and the raised microneedles pierce a skin.本發明之一實施形態之微型針貼布,係具備大致沿著貼布之主面而形成於該貼布的複數個微型針。藉由折彎貼布使微型針從主面立起,且使立起之該微型針刺入皮膚。