Provided is an administration device capable of changing the puncture depth according to the thickness of the skin even when using a needle-like body having a protrusion having the same length. The prescription device includes a substrate and a needle-like body having a protrusion protruding from one surface of the substrate, and a puncture depth adjusting portion having one or more film-like objects provided on the one surface and removable from the needle-like body. .同一の長さの突起部を有する針状体を用いる場合でも、皮膚の厚みに応じて穿刺深さを変えることが可能な投与器具を提供する。投薬器具は、基板および基板の一面から突出する突起部を有する針状体と、当該一面に設けられ、針状体から除去可能な１枚以上のフィルム状物を有する穿刺深さ調整部を備える。
