The present invention relates to a novel use of a farfarae flos extract, and more specifically, to a composition for lung cancer treatment and a functional food containing, as an active ingredient, a farfarae flos extract having excellent preventative and treatment effects on lung cancer. The farfarae flos extract, according to the present invention, suppresses growth of and induces apoptosis of lung cancer cells, and therefore can be used effectively for lung cancer treatment and prevention.La présente invention concerne une nouvelle utilisation dun extrait de flos farfarae, et plus particulièrement, une composition pour le traitement du cancer du poumon et un aliment fonctionnel contenant, comme ingrédient actif, un extrait de flos farfarae ayant dexcellents effets prophylactiques et thérapeutiques sur le cancer du poumon. Lextrait de rhizome de flos farfarae, selon la présente invention, élimine la prolifération des cellules cancéreuses dans le poumon et induit leur apoptose, et peut ainsi être utilisé efficacement dans la prophylaxie et le traitement du cancer du poumon.본 발명은 관동화 추출물의 신규한 용도에 관한 것으로, 폐암에 대해 탁월한 예방 또는 치료 효능을 나타내는 관동화관동화를 유효성분으로 함유하는 치료용 조성물 및 화장료 조성물에 관한 것이다. 본 발명의 관동화 추출물은 폐암 세포의 성장을 억제하고 세포사멸을 유도하는 효과가 있어 폐암 치료 및 예방에 효과적으로 사용할 수 있다.