The present invention relates to a composition comprising 2,4,6-trihydroxyacetophenone (THA) as an effective ingredient for prevention or treatment of prostate cancer. THA in the present invention is a main ingredient of Curcuma comosa. The composition of the present invention effectively inhibits the growth of prostate cancer by regulating in particular the activity of polo-like kinase 1 (PLK1) and thus is expected to find useful applications in use in the prevention, alleviation, and treatment of prostate cancer in future.La présente invention concerne une composition qui comporte de la 2,4,6-trihydroxyacétophénone (THA) en tant que principe actif pour la prévention ou le traitement du cancer de la prostate. La THA utilisée dans la présente invention est le constituant principal de Curcuma comosa. La composition de la présente invention inhibe efficacement la croissance du cancer de la prostate en régulant en particulier l'activité de la kinase PLK1, et l'on s'attend à ce que la composition trouve dans le futur des applications utiles pour une utilisation dans la prévention, le soulagement et le traitement du cancer de la prostate.본 발명은 THA (2,4,6-trihydroxyacetophenone)를 유효성분으로 포함하는 전립선암 예방, 또는 치료용 조성물에 관한 것으로서, 본 발명의 THA는 커큐마 코모사 (Curcuma comosa)의 주성분이다. 본 발명의 조성물은 특히, PLK1 (Polo-like kinase 1)의 활성을 억제함으로써 전립선암의 증식을 효과적으로 억제하는바, 향후 전립선암에 대한 예방, 개선, 및 치료의 용도로 유용하게 이용될 수 있을 것으로 기대된다.