Fatty liver does not necessarily return to normal when blood lipids are normalized. Elevated blood fat is related to many factors, most patients with high blood fat will be combined with fatty liver, because fatty acids in the blood need to be metabolized by the liver, but fatty liver can also be caused by alcoholism, weight loss and other reasons, and does not exist in the case of high blood fat, there is no inevitable connection between the two. In fatty liver, the free fatty acids entering the liver cells greatly increase, the mitochondrial fatty acid β-oxidation increases, and the liver cells undergo damage and necrosis. Fatty liver patients who have high blood fat, after the blood fat is normalized, the fatty liver is not necessarily normal, still need to cooperate with the doctor to take treatment.