Severe fatty liver can cause fatty hepatitis, cirrhosis, liver cancer and other consequences. Severe fatty liver can cause steatohepatitis, accompanied by liver function damage, if the patient does not pay attention to it, drink alcohol or use drugs that damage liver function in normal life, as well as poor work and rest, it will aggravate the condition of hepatitis, and the prolongation of steatohepatitis will further develop into cirrhosis, and cirrhosis will develop into liver cancer. For patients with severe fatty liver, active treatment is needed. If cirrhosis occurs, patients may experience serious complications such as large amount of fluid in the abdominal cavity, rupture and bleeding of esophagogastric fundic varices, and even progress to life-threatening liver cancer. Therefore, patients with severe fatty liver should be treated in time. Patients should go to the gastroenterology department of regular hospitals in time, and actively treat under the guidance of professional doctors to avoid delaying treatment.