Provided is an influenza vaccine preparation for intradermal administration use, which ensures the delivery of an influenza vaccine antigen to an upper layer part of human skin to highly increase an HI antibody titer in an earlier stage in the prevention of influenza infection, and which is highly safe. An influenza vaccine preparation which can be administered using an intradermal administration device equipped with a needle tube, wherein a needle tip of the needle tube is so designed as to ensure a vaccine preparation to be administered to an upper layer part of skin； and a method for preventing influenza using the preparation.提供一種皮內投與流感疫苗製劑，其係於流感感染預防中，藉由將流感疫苗抗原確實地送達人類皮膚上層部，而使早期且高的HI抗體力價上升係為可能，且安全性高。一種流感疫苗製劑及使用該製劑之流感的預防方法，該流感疫苗製劑係使用了將針管的針尖設計成能夠將疫苗製劑確實地投與在皮膚上層部的皮內投與用裝置。
