When a cirrhotic patient loses liver function, varices occur in the esophagus and gastric fundus, and the number can vary from 2 to 5. As the disease progresses, these varices become more and more severe. At this time the patient may have no symptoms or may have mild symptoms. But varicose veins in the esophagus and stomach are like several silent “time bombs”. It can explode at any time, that is to say, the varicose vein is ruptured, after the rupture of the vein, the patient immediately appears vomiting blood, blood in the stool or black stool, serious shock, dizziness, indifference, coma, pale face, cold sweat, if it is too late to rescue or rescue is not timely, the patient may die due to haemorrhage. If the patient’s bleeding is stopped with aggressive treatment, hepatic encephalopathy, anemia, infection, electrolyte disturbance, ascites or an increase in the original ascites may subsequently develop. These conditions, among others, aggravate the patient’s condition and increase the financial burden at the same time. The situation is even worse if there are repeated such bleeding. To sum up, it becomes very important to prevent bleeding in patients with liver cirrhosis!