脂肪异常大量的在肝内蓄积叫脂肪肝。正常人的肝组织含有湿重脂质3～5％,其中2/3为磷脂,此外尚有胆固醇约占0.5％,中性脂肪占1％。脂肪肝本身并无很重要的临床意义,其重要性在于进一步发展为肝硬化。本文着重介绍三部分内容: 一、人体正常脂肪代谢,特别是肝在脂质代谢中的作用。二、各种原因所致的脂肪肝及其临床。三、脂肪肝的治疗。 A large number of abnormal fat accumulation in the liver called fatty liver. Normal liver tissue contains wet weight of 3 to 5% lipids, of which 2/3 for the phospholipids, in addition to cholesterol about 0.5%, 1% of neutral fat. Fatty liver itself does not have very important clinical significance, its importance lies in the further development of cirrhosis. This article focuses on three parts: First, the body’s normal fat metabolism, especially the role of the liver in lipid metabolism. Second, various causes of fatty liver and its clinical. Third, the treatment of fatty liver.