It takes about 5 to 10 years for moderate fatty liver to liver fibrosis. Moderate fatty liver refers to the lesion caused by the large accumulation of fat in the liver cells, which is a reversible disease. If it is not treated timely and effectively, it is very likely to lead to the large accumulation of collagen, glycoproteins, proteoglycans and other substances in the liver cells, which will lead to the phenomenon of hepatic fibrosis, and it will take about 5 to 10 years. Clinically, it can be alleviated through reasonable diet, reasonable exercise, quit smoking and drinking, etc. Patients usually have to maintain a good state of mind, actively cooperate with the doctor for treatment, and at the same time pay attention to regular work and rest, ensure sufficient sleep time, do not overwork. It is recommended that patients go to the hospital for regular checkups, and once there are any abnormalities, they should seek immediate medical attention and active treatment.