If the condition of severe fatty liver disease is mild and the treatment is timely, the patient can usually live a normal life. If the condition is serious, the treatment is delayed, liver function is impaired, or even develops into cirrhosis, the quality of life will be reduced and the survival period will be affected. To determine whether severe fatty liver can live a normal life or not, it needs to be based on the actual situation, can not be generalized, there are obvious individual differences, mainly depends on the severity of the disease. According to relevant information, in general, for patients with severe fatty liver disease who have not caused any damage to the liver, they can be cured through appropriate exercise, dietary modification and medication, and can usually live a normal life without much impact on the quality of life. However, for patients with severe fatty liver disease, which has caused irreversible damage to liver function, or even developed into cirrhosis, the prognosis is poorer, and to a certain extent, it will reduce the quality of life, and also have an impact on the life expectancy, especially cirrhosis can have complications such as ascites, esophagogastric fundal varices, hepatic encephalopathy and other complications, and severe hemorrhage and hepatic encephalopathy episodes have life-threatening possibilities. To summarize, when checking out with severe fatty liver, patients need to go to the hospital in time, cooperate with the doctor for standardized treatment, and strengthen the daily life management, so as not to delay the condition.