Fatty liver may affect blood sugar. Fatty liver is due to the accumulation of fat in liver cells, which is categorized into alcoholic fatty liver and non-alcoholic fatty liver. Long-term consumption of alcohol will lead to disruption of blood glucose metabolism, which will be further aggravated after the formation of fatty liver. Of course, mild fatty liver usually has no symptoms, while severe fatty liver may affect the body. Among the causes of non-alcoholic fatty liver disease, some patients are obese or diabetic, their blood sugar and lipid metabolism is abnormal, after the formation of fatty liver, because it affects the function of the liver, the human body’s blood sugar and lipid metabolism in the liver for a long time. If the liver function has been impaired, fatty liver serious to liver function is impaired, it will affect the blood glucose metabolism abnormality, but also affect the lipid metabolism abnormality, this time will cause a series of cardiovascular and cerebrovascular lesions.