The prognosis of hepatic encephalopathy depends on the degree of hepatocellular failure. Mild hepatic encephalopathy can be cured with early treatment, and most of the hepatic by treatment mainly improve the prognosis. Patients with mild hepatic encephalopathy, including those with portal vein-somatic circulation shunt, and those with fair metabolism of hepatocyte function usually have no obvious symptoms, and can be improved or even cured by active treatment. On the other hand, hepatic encephalopathy caused by acute liver failure, decompensated cirrhosis, advanced hepatocellular carcinoma, etc. is usually serious, often accompanied by obvious ascites, jaundice, infections, disorders of water-electrolyte and acid-base balance, upper gastrointestinal hemorrhage, hepato-renal syndrome, etc., which will lead to coma and even death very soon, and is difficult to be cured. It is recommended that when the organism develops hepatic encephalopathy, it should consult the doctor in time and standardize the treatment under the doctor’s guidance in order to improve the prognosis.