Provided is a composition for relieving a hangover including as its active ingredients Corylus heterophylla Fisher nut extract, Alnus japonica Steud. stem extract and Sorbus commixta fruit extract. It is verified the composition for relieving a hangover according to the present disclosure reduces blood alcohol concentration more significantly than the composition for relieving a hangover including as its active ingredients Alnus japonica Steud. extract and Sorbus commixta extract as disclosed in Korean Patent Registration No. 181168 in in vivo tests (including animal testing and human experiment) and that has effects of considerably alleviating various hangover symptoms.