Provided are: a vaccine pharmaceutical composition for oral administration, capable of stably storing an influenza virus antigen and a method for manufacturing the pharmaceutical composition. The vaccine pharmaceutical composition for oral administration is characterized by containing an influenza virus antigen, an excipient, a disaccharide, and an amino acid.本發明提供一種能夠穩定地儲藏流感病毒抗原之口腔內投與用疫苗醫藥組合物、以及該醫藥組合物之製造方法。 本發明係一種口腔內投與用疫苗醫藥組合物,其特徵在於:含有流感病毒抗原、賦形劑、二糖及胺基酸。無