A large stomach is not a typical symptom of fatty liver. Early fatty liver does not cause a big belly; advanced fatty liver may cause abdominal fluid buildup, which can cause a big belly. Many patients with fatty liver will be accompanied by obesity and have a big belly. 1. Mild fatty liver: there are more clinical symptoms of fatty liver, if it belongs to mild fatty liver, usually there are no obvious clinical symptoms, most of them are observed during physical examination. The more common self-conscious symptom of fatty liver is fatigue. 2. Moderate fatty liver: it may cause nausea, vomiting, loss of appetite, fatigue and pain in liver area. In addition, it may cause severe pain in the right upper abdomen, toothache and fever. 3. Severe fatty liver: it may cause abdominal fluid accumulation and lower limb edema, resulting in the patient’s body being swollen. In addition, it may cause electrolyte disorders, such as hyponatremia and hypokalemia. In addition, the presence of fatty liver is harmful and patients are advised to treat it aggressively.