The diet prevention methods of portal collateral circulation: 1, drop of alcohol: liver diseases, whether hepatitis, fatty liver, cirrhosis, liver cancer, the first thing you must stay away from is “alcohol”, because alcohol is mainly metabolized by the liver, and when the liver cells have been damaged, the metabolic capacity of alcohol is extremely low, drinking can easily cause the deterioration of liver function. 2, eat less greasy, fried, pickled products, moldy food and food containing artificial colors, artificial additives patients with cirrhosis because their bile excretion is insufficient, affecting the absorption of fatty foods and fat-soluble vitamins, so the digestive capacity is poor, so greasy, fried, fermented food and pickled products such as sausage, bacon, etc. is best to eat less, and it is best to take a small number of meals to reduce the The liver and gallbladder load. 3, eat easily digestible protein food in the selection of food should establish the correct concept, can be less fat, but the starch intake of carbohydrates is indispensable, but not too much. Eat more protein foods that are easy to digest, such as deep-sea fish, low-fat milk, egg whites, tofu, etc. are good choices. Patients with cirrhosis should also be monitored for hepatic coma, and once there is a condition of hepatic coma, protein intake should be restricted. Liver coma: This is the phenomenon of liver coma in the end stage of cirrhosis or liver failure, because the function of liver cells is severely damaged, or because of portal hypertension, so that portal blood can not pass through the liver directly into the large circulation but through the lateral circulation, and therefore can not be processed in the liver cells, toxic substances from the intestinal canal or ammonia, and trigger a coma state. At this time, the central nervous system is damaged, causing a variety of neurological symptoms, and finally will lose consciousness, consciousness, and become unconscious. When in the pre-consciousness or coma period, close to the patient can often smell a sweet and sour smell, called “liver smell” can also be used as identification. 4, in addition, liver must eat more detoxification and bile vegetables such as cauliflower, collard greens, cabbage, peas, because they are the most abundant fiber content, can discharge toxins from the body, in addition, eat less eggs, milk, cheese, wheat and other foods that cause allergies, but also to control the intake of high-fat, high-sugar foods.