Most patients with hepatic encephalopathy can be cured if they are treated promptly in the early stages. Hepatic encephalopathy refers to a clinical syndrome in which the patient has a dysfunctional central nervous system due to the disturbance of ammonia metabolism on the basis of severe liver stagnation disease, and the patient may exhibit fluttering tremors, and in severe cases, there are changes in consciousness, behavior and personality, and coma may occur as the disease progresses. The treatment of hepatic encephalopathy is mainly directed at the primary disease and the causative factors, such as patients caused by upper gastrointestinal bleeding, high protein diet or potassium diuresis, we should treat the cause of the disease to protect the liver, and at the same time, for hepatic encephalopathy, patients are given lactulose to reduce intestinal ammonia metabolism.