PURPOSE: A composition containing red ginseng extract for preventing or treating prostatic hypertrophy is provided to prevent side effect.CONSTITUTION: A pharmaceutical composition for preventing or treating prostatic hypertrophy contains red ginseng extract as an active ingredient. The composition suppress the expression of PCNA( proliferating cell nuclear antigen) in prostate cells. An agent for preventing micturition disorder contains the red ginseng extract as an active ingredient. A food composition for relieving or treating prostate hypertrophy contains the red ginseng extract as an active ingredient. The daily dose of the pharmaceutical composition is 0.01-100 mg/kg(body weight).COPYRIGHT KIPO 2012본 발명은 홍삼 추출물을 유효성분으로 포함하는 전립선 비대증 예방 또는 치료용 조성물에 관한 것이다.본 발명은 천연 추출물을 이용한 전립선 비대증 치료제 조성물로서 저혈압이나 성기능 장애 등 상용화된 약물치료제들이 가지는 부작용이 없는 효과적인 천연물 치료제로서 유용하게 이용될 수 있다.