Provided is a use of fucoxanthin in the manufacture of a composition for reducing uric acid. The fucoxanthin has a uric acid reduction effect and a gout prevention effect. The present invention relates to a pharmaceutical composition containing fucoxanthin for preventing gout by reducing uric acid.본 발명은 요산 강하용 조성물 제조에서의 푸코산틴의 용도를 제공한다. 상기 푸코산틴은 요산 강하 및 통풍 예방 작용이 있다.