Generally speaking, mild fatty liver can be cured by diet and lifestyle modification, so it is not serious. Fatty liver is caused by excessive accumulation of fat in liver cells due to various reasons, while mild fatty liver is defined as the amount of fat in the liver exceeding 5% to 10% of the weight of the liver. Mild fatty liver is usually caused by obesity, alcohol consumption, drugs, malnutrition and diabetes. Patients usually have no clinical symptoms, or only symptoms such as fatigue, fatigue, and loss of appetite. Most of them are discovered by chance during physical examination. Mild fatty liver can be cured under the comprehensive treatment of timely adjustment of diet, lifestyle habits, appropriate exercise and regulation of blood sugar. Although mild fatty liver can be cured, early treatment is the key. Therefore, after discovering mild fatty liver, it is recommended to consult the doctor in time and carry out regular treatment under the doctor’s guidance to avoid adverse effects.