Fentanyl compound-containing edible patch to be applied to oral mucosa

There is provided a film-type edible oral mucosal patch comprising a main ingredient, a fentanyl compound, contained in a base comprising (A) a semi-synthetic water-insoluble polymer compound, (B) a semi-synthetic water-soluble polymer compound, (C) a synthetic water-soluble polymer compound, (D) a water-soluble polyhydric alcohol and (E) a pH-adjusting agent. The oral mucosal patch consists of substances accepted as the food additives or pharmaceutical additives approved for oral administration, and is industrially efficiently produced and easily and safely used.