There are differences in food properties between hot and cold, and there are differences in odor and thickness, so a proper and reasonable diet according to the person’s illness is crucial to take care of the easily injured liver. Nutrients composition is reasonable, control calories, limit fat intake; food is soft and hard, easy to digest; limit salt and water; choose a reasonable diet plan according to the disease; strict abstinence from alcohol and smoking, no food toxic to the liver are the general principles of the diet of liver disease patients. Among them, reasonable choice of diet plan is the main point due to the condition. Patients in the early stage of acute hepatitis often have obvious nausea, vomiting and loss of appetite, at this stage can eat carbohydrates such as noodles and porridge and other easily digestible, light food, moderate amount of vegetables and fruits, a small number of meals. During the recovery period, when various symptoms disappear and appetite improves, the intake of protein and unsaturated fatty acids should be increased appropriately, as these foods are beneficial to the regeneration and repair of liver cells. Protein sources can choose soybean products, milk, chicken, freshwater fish and other high-quality protein with low fat content, unsaturated fatty acids mainly from vegetable oils, the amount of diet should be increased gradually and gradually, not overnight. It is especially important to emphasize that in acute hepatitis, especially in the recovery period, a large intake of sucrose and glucose can easily cause fatty degeneration of liver cells, which is detrimental to the recovery of hepatitis; in addition, the total calories of the diet in the recovery period of acute hepatitis should be adjusted according to the amount of exercise of the patient to avoid rapid weight gain due to excessive nutrition. The diet of chronic hepatitis is different from that of acute hepatitis, and the principle is to eat light, easily digestible and nutritious food, which should contain enough protein, sugar, vitamins and minerals. The food eaten should be mixed and should not be partial. The main food should be rice, noodles and other soft food, can eat more rice, millet, corn and adzuki beans porridge, steamed bread, side dishes should eat more fresh vegetables, fruits, can eat appropriate beef, mutton, pork, eggs, animal liver, etc.. It is not advisable to eat more stimulating food, such as onion, ginger, garlic and fried and roasted products. Strictly abstain from alcohol and smoking. Eat less and more meals, do not overeat. Fatty liver diet should be “one appropriate two low”, that is, moderate protein, low sugar and low fat, usually pay attention to light diet, not too full, eat more fresh vegetables and fruits, limit the intake of calories. At the same time, we should strengthen exercise, actively lose weight, as long as the weight loss, the fat infiltration in the liver is obviously improved. Advocate high protein, high vitamin, low sugar, low fat diet. Do not eat or eat less animal fat, sweet food (including sugary drinks). Eat more green vegetables, fruits and fiber-rich foods, as well as lean meat, river fish and soy products with high protein, no snacks, and no extra meals before bedtime. Patients with cirrhosis, the diet is based on soft, cool, easily digestible food, such as steamed bread, noodles, noodles, egg soup, etc. Eliminate the consumption of too hard and too hot food to prevent fire and constipation, eliminate the consumption of fried food, too hard food (such as pancakes, bones, etc.) and thorny food (such as carp, crucian carp, grass carp and other mangoes more), because thorny food is likely to scratch the patient’s varicose fundus and esophageal veins, causing Gastrointestinal bleeding. Patients with cirrhosis should not consume large amounts of high-protein food in a short period of time to prevent a sharp rise in blood ammonia concentration, resulting in liver coma. In addition to the above, patients with esophageal or fundic varices should avoid eating raw, coarse fiber, fried and spicy foods that are not easily digestible, and should not eat too fast or too quickly. Keep the bowels open and do not exert too much force to prevent rupture and bleeding of varices. Patients with advanced cirrhosis should also pay attention to control the high protein diet to prevent hepatic encephalopathy. In short, patients with liver disease should follow individualized dietary principles according to the priority of their condition. The correct and reasonable choice of diet plan, understanding the correct medical health care knowledge, and cooperate with the physician’s treatment can better promote the recovery of liver disease.