The present invention provides a nasal vaccine capable of intranasally inducing an effective immunity reaction. Specifically, the invention provides a nasal vaccine containing a compound having an NKT cell-activating action, particularly a compound represented by the formula (I):wherein each symbol is as defined in the specification, or a compound represented by the formula (II):wherein each symbol is as defined in the specification, and an immunogen in an amount effective for stimulating an immune response.
