Disclosed is a composition for improving lipid metabolism. The composition for improving lipid metabolism comprises a cis9,trans11-conjugated linolic acid and a fish oil as active ingredients.本發明係揭示一種意圖改善脂質代謝之組成物。本發明係提供一種含有順式9,反式11-共軛亞麻油酸與魚油為有效成份所成之改善脂質代謝用組成物。