The present invention provides a gel-type formulation for spray adherable to skin/mucosa which contains a pharmaceutical active ingredient in a gel substrate comprising an adhesive for skin/mucosa, and an administration system using the formulation.本發明係提供由在含有皮膚及/或黏膜附著劑之凝膠基劑中包含醫藥活性物質的凝膠製劑所組成的噴灑用凝膠型皮膚及/或黏膜附著型製劑,以及使用該製劑之投藥系統。