PROBLEM TO BE SOLVED: To provide an intraoral adhesive preparation having a sufficient sorption effect on the oral mucosa, and sufficient safety even in the case of accidental ingestion.SOLUTION: There is provided an intraoral adhesive preparation 1 of a film shape, for attaching on a mucosa in the oral cavity to absorb the active ingredient into the body through the mucosa, which comprises a medicinal ingredient layer 2 comprising a round shape film and a cover layer 3 covering the surface except a contacting surface 10 of the medicinal ingredient layer 2 and contacting the mucosa of a user, and having a U-shaped cross section, and forms a disc shape as a whole, and whose holding part for making the intraoral adhesive preparation easily held is provided with a projection set at almost the center of the non-contacting surface of the opposite side surface to the contacting surface.COPYRIGHT: (C)2013,JPO&INPIT【課題】 十分な口腔内粘膜での吸収効果を有し、誤飲した場合でも十分な安全性を有する口腔内貼付薬を提供すること。【解決手段】 フィルム状で口腔内の粘膜に貼り付けて、有効成分を、粘膜を介して体内に吸収させるためのものであり、円形のフィルムからなる薬成分層2と、薬成分層2における使用者の粘膜に接触する接触面10以外の面を覆っており、断面コの字状の被覆層3とからなり、全体で円盤状となっており、口腔内貼付薬を挟持容易とする把持部が、接触面の反対側の面である非接触面のほぼ中央に突起部を設けられている口腔内貼付薬1。【選択図】図1