1, obese people. About 30% to 50% of obesity combined with fatty liver, fatty liver lesion rate of up to 61% to 94% in the severely obese. 2, alcoholics and alcoholics. Long-term alcoholics liver puncture biopsy, 75% to 95% have fat infiltration. 3, poor nourishment. Malnutrition leading to protein deficiency is an important cause of fatty liver, mostly due to insufficient food intake or digestive disorders. 4, rapid weight loss people. Fasting, excessive dieting or other rapid weight loss measures can damage liver cells and lead to fatty liver. 5.Workers in toxic environments. Industrial toxins can enter the body through the skin, digestive tract, respiratory tract leading to liver damage. Among the toxins that can cause hepatocyte steatosis include: yellow phosphorus, arsenic, antimony, aluminum, mercury, barium, benzene, carbon tetrachloride, chloroform, carbon disulfide, dinitrobenzene, chromate, thallium compounds, uranium compounds, etc. 6, certain drug users. Certain drugs or chemical toxins can cause fatty liver by inhibiting protein synthesis, such as tetracycline, adrenocorticotropic hormone and arsenic, lead, silver, mercury, etc. Lipid-lowering drugs can also form fatty liver by interfering with the metabolism of lipoproteins. 7, diabetic patients. 50% of diabetic patients may develop fatty liver, some diabetic patients, after the emergence of insulin resistance, most of the glucose and fatty acids in the liver into fat, stored in the liver resulting in fatty liver. 8, people with other diseases. Cortisolism, hyperthyroidism, hyperuricemia, hyperlipoproteinemia, endocrine metabolic diseases can cause fatty degeneration, fatty liver can also occur in infections such as tuberculosis, bacterial pneumonia and sepsis, viral hepatitis patients who excessively restrict activities, coupled with the intake of high sugar, high-calorie diet, liver cell fat is easy to accumulate; after receiving corticosteroid therapy, fatty liver is more likely to occur. 9, white-collar class. More sitting, less moving, high-fat, high-calorie dietary structure, obesity and other factors. 10, pregnancy fatty liver. Most in the first child 34-40 weeks of gestation, the disease is serious, the prognosis is poor, maternal and infant mortality rate of 80% and 70% respectively.