Fatty liver is a clinicopathological syndrome characterized by excessive fat accumulation and steatosis of hepatocytes due to various causes. That is, fatty changes in the liver. The fat content of the normal liver accounts for about 5% of the wet weight of the liver, with phospholipids being the most abundant, accounting for about 50%, followed by triglycerides (TG) and cholesterol (TC) at about 7% each. In the case of liver fat accumulation, the fat content in the liver can be as high as 40%-50% of the liver weight. The incidence of fatty liver is increasing year by year, and it has become a common disease among the affluent people in China. The prevalence of fatty liver in China is as high as 15% with a trend of youth. Fatty liver is a serious threat to the health of the nation, becoming the second most common liver disease after viral hepatitis, and has been recognized as a common cause of insidious cirrhosis. Fatty liver is a common clinical phenomenon rather than an independent disease. Common causes of fatty liver include: alcohol (the incidence of alcoholic fatty liver increases 5 to 25 times if you drink more than 80 to 160 grams of alcohol per day.) The rate of fatty liver lesions in people with severe obesity is as high as 61% to 94%. The rate of fatty liver lesions in people with severe obesity is as high as 61% to 94%), type 2 diabetes, hyperlipidemia, exposure to substances toxic to the liver, viral hepatitis, pregnancy. Statistics have been done that one out of every two office workers suffers from fatty liver. This is because office workers often work around the computer, go out around the car, back home around the TV, a serious lack of exercise; often do not eat breakfast or because there is no a complete period of time to eat, often nest in the office gnawing snacks, often work too late to increase the night snack thus causing malnutrition and energy metabolism disorders; then there is business social or bad habits often drink a lot of alcohol, thus inducing or Aggravate fatty liver fatty liver will cause those hazards 1, leading to cirrhosis, liver cancer, liver failure; 2. promote the formation of atherosclerosis; 3. induce or aggravate hypertension, coronary heart disease; 4. induce or aggravate diabetes; 5. hepatitis B combined with fatty liver to accelerate the development of cirrhosis; 6. reduce the body’s immune function, detoxification function; 7. damage to the body’s digestive system. Clinically, doctors often classify fatty liver into two categories: non-alcoholic fatty liver and alcoholic fatty liver according to the presence or absence of long-term excessive alcohol consumption. The three elements of preventive treatment for fatty liver: diet, exercise plus medication. If a patient with simple fatty liver does not lose significant weight and has no significant improvement in fat deposition in the liver after six months of basic treatment such as diet and exercise, weight-loss drugs and liver-protective drugs can be used appropriately. A. Reasonable diet: Control the level of total calories eaten daily, and make reasonable arrangements for three meals. Do coarse and fine nutritional balance, sufficient amount of high-quality protein can remove fat in the liver; Ø reduce the intake of single and double sugars and fat; increase the fiber and vitamin supplement. Scientific weight loss and abstain from alcohol. B. Appropriate exercise: adhere to physical exercise every day, depending on their own physique to choose the appropriate sports, such as jogging, playing table tennis, badminton and other sports. Start with a small amount of exercise gradually and gradually reach the appropriate amount of exercise to strengthen the consumption of body fat. The best way to exercise is to walk briskly, at least 3 kilometers each time. Consistency is most important, it is best to exercise every day for more than 30 to 45 minutes, and adhere to 3 to 5 times a week. C. Careful use of drugs: Any drugs entering the body have to be detoxified by the liver, in the choice of drugs more carefully, beware of the toxic side effects of drugs, especially for the liver damage drugs should never be used to avoid further aggravation of liver damage. Steatohepatitis (with elevated transaminases) patients can choose polyenyl phosphatidylcholine, vitamin E, ursodeoxycholic acid and other hepatoprotective drugs to promote the regression of fatty deposits in the liver, to stop the progression of inflammation and fibrosis in the liver, to reduce the occurrence of cirrhosis, the course of treatment generally takes more than six months. Enzyme-lowering drugs such as bifidonate alone are not recommended. Patients with fatty liver with hyperlipidemia need to decide whether to use lipid-lowering drugs at their discretion according to the cause and degree of hyperlipidemia and the probability of atherosclerotic cardiovascular lesions. Children, adolescents, pregnant women, and elderly people over 75 years old generally do not need lipid-lowering drugs. Patients with fatty liver who have hypertension, diabetes or other diseases should be treated for the underlying disease under the guidance of a physician.