The present invention provides a kind of medicament for improving the pancreas function as caused by usual living habit and/or liver function.The agent of liver Fitness improvement and/or pancreas Fitness improvement agent in the case of a kind of intake food rich in fat as effective component using liver hydrolysate of system of the present invention and alcohol.本發明提供一種改善由通常之生活習慣所造成之胰臟機能及/或肝臟機能的藥劑。本發明係一種以肝臟水解物作為有效成分的攝取高脂肪食物及酒精之情況下之肝臟機能改善劑及/或胰臟機能改善劑。