The present invention aims to provide a composition for promoting immunity induction and a vaccine pharmaceutical composition which are universally usable for inducing immunity to various antigens and capable of exerting a high immunity inducing effect. The present invention relates to a composition for promoting immunity induction containing at least one nuclear receptor ligand and also relates to a vaccine pharmaceutical composition for inducing immunity containing an antigen and a composition for promoting immunity induction that is at least one nuclear receptor ligand.