The substance P inhibitory agents of angiotensin-converting enzyme is a degrading enzyme, dysphagia improved composition which comprises administering to the local doses that do not affect blood pressure, as well as pharmaceuticals for dysphagia improvement comprising said composition.サブスタンスP分解酵素であるアンジオテンシン変換酵素の阻害作用物質を、血圧に影響しない用量を局所に投与することを特徴とする嚥下障害改善用組成物、ならびに該組成物を含む嚥下障害改善用の医薬品。