脂肪肝是指人体肝细胞内蓄积了过多的脂肪。人体正常时,肝内的脂肪只占3％～5％,如果肝内脂肪含量超过了15％或在组织学上超过了50％时,不管是什么原因造成的,都可以诊断为脂肪肝。脂肪肝大体分类如下: 营养性脂肪肝 营养过剩或缺乏均能引起脂肪肝。过去,是以营养不良性脂肪肝为主,即由于蛋白质摄入不足,碳水化合物摄取过量,造成肝脏蛋白质合成障碍,从而引起脂肪肝;现在形成脂肪肝的病因主要是营养过剩。有人以为只要不吃肥肉,少吃油就不会患脂肪 Fatty liver refers to the accumulation of too much fat in human liver cells. Normal human body, liver fat only 3% to 5%, if the intrahepatic fat content of more than 15% or more than 50% in histology, no matter what the cause, can be diagnosed with fatty liver. The general classification of fatty liver is as follows: Nutritional fatty liver can cause fatty liver excess or lack of nutrients. In the past, mainly due to malnutrition fatty liver, that is, due to inadequate intake of protein, excessive intake of carbohydrates, causing liver protein synthesis barriers, resulting in fatty liver; now the main cause of fatty liver is excess nutrients. Some people think that as long as you do not eat fat, eat less oil will not suffer from fat