Fatty liver can lead to mild enlargement of the liver. The liver is the body’s metabolic organ, and all kinds of substances in the body enter the liver for metabolism through blood flow. When a patient consumes food containing fat, the food is broken down in the small intestine and becomes fatty acids, triglycerides, etc., which enter the bloodstream to form celiac particles that run into the liver, where they are made to be synthesized into substances needed for biochemical reactions in other tissues and organs. When patients are obese, the lipid content in their blood is relatively high. When there are too many triglycerides, fatty acids, etc., the liver is unable to convert them completely, and they will be stored in the liver, and the accumulation of too much will lead to the occurrence of fatty liver. When patients drink too much alcohol and abuse alcohol for a long period of time, liver cells will be damaged and their ability to metabolize fat will be reduced, which will easily cause fat to accumulate in the liver and lead to the occurrence of fatty liver. And long-term fat accumulation fills up the liver cells, thus leading to mild enlargement of the liver.