PURPOSE: A composition containing Sparassis crispa Wulf.ex Fr. alcohol extract for preventing or treating obesity and a health functional food containing the same are provided to suppress digestion and absorption of body fat.CONSTITUTION: A composition for preventing or treating obesity contains Sparassis crispa Wulf.ex Fr. alcohol extract as an active ingredient. The extract is prepared by extracting Sparassis crispa Wulf.ex Fr. with 90-99.9%(v/v) of ethanol at 20-60 Deg. C. for 12-36 hours. The composition contains 0.001-50 wt% of the extract. A pharmaceutical product for preventing or treating obesity contains the extract as an active ingredient. The pharmaceutical product is powder, granules, tablet, suspension, emulsion, or syrup. A helath functional food for treating or preventing obesity contains the extract as an active ingredient. The extract is prepared using an alcohol of 1-10 carbon numbers.COPYRIGHT KIPO 2013[Reference numerals] (AA) TGL activity inhibition(%) (BB) Comparative embodiment(water extract) (CC) Ethanol extract본 발명은 비만의 치료 또는 예방용 조성물, 이를 포함하는 의약품 및 건강 기능성 식품에 관한 것으로서, 구체적으로 상기 비만의 치료 또는 예방용 조성물은 꽃송이 버섯의 알코올 추출물을 유효성분으로 포함한다.