PURPOSE: A pharmaceutical composition containing a sea cucumber extract and a fraction thereof for anticancer is provided to prevent and treat cancer without side effects. CONSTITUTION: A pharmaceutical composition for preventing or treating cancer contains a sea cucumber extract or a fraction thereof as an active ingredient. The extract is a methanol extract of cucumber. The extract is prepared by adding 1000-1400 parts by weight of methanol to 4000-5000 parts by weight of freeze-dried sea cucumber, extracting at 55-65 deg. C for 3-5 hours, and concentrating by reduced pressure at 40-50 deg. C. The fraction is prepared by adding n-hexane or n-butanol to the extract. A food for preventing or treating cancer contains the extract or the fraction as an active ingredient. [Reference numerals] (AA,BB) EtOH extract-Hexane layer； (CC,DD) EtOH extract-Buthanol layer본 발명은 해삼 추출물 또는 해삼 추출물의 분획물을 유효성분으로 함유하는 항암용 약학조성물 및 식품에 관한 것으로, 해삼을 암을 예방 및 치료를 위한 약학조성물로 사용할 수 있을 뿐만 아니라 식품류 및 차 등의 기능성 식품으로 유용하게 사용할 수 있다.
