Provided is a microneedle sheet comprising a plurality of microneedles formed in a sheet substantially along the principal surface of the sheet, wherein the microneedles each include a water-soluble polysaccharide and water, the content of the water is at least 1 mass% and less than 19 mass% with respect to the total mass of the microneedles, and the microneedles rise from the principal surface by the sheet being bent.本發明揭示一種微型針片材，其具備大致沿著片材之主面而形成於該片材之複數個微型針，且上述微型針包含水溶性多醣類、與水，水之含量以微型針之總質量為基準而為1質量%以上且未達19質量%，藉由使上述片材彎曲，上述微型針自上述主面立起。
