Dieting for fatty liver is mainly caused by malnutrition. Excessive dieting will lead to too little nutritional intake, especially when the intake of protein or other nutrients is too low, the body will have a large lack of apolipoproteins, resulting in triglycerides and cholesterol in the liver can not be transported out of the liver, and there will be a large accumulation of fatty liver in the liver, the formation of fatty liver. The formation of fatty liver is not only related to high-sugar and high-fat food, but also may be related to malnutrition, so do not diet excessively, if it is malnutrition fatty liver, the diet should be adjusted appropriately, and more intake of high-protein, high-vitamin food. When fatty liver is more serious, it is necessary to consult the doctor in time and cooperate with the doctor to take treatment to avoid aggravation of the condition.