The symptoms appearing three days before the end of liver cancer vary from person to person, and there are various symptoms and no fixed 8 symptoms. Usually, the symptoms of advanced hepatocellular carcinoma patients are mostly liver pain, gastrointestinal symptoms, systemic symptoms, mental and mental changes, etc. 1. Pain in liver area: this symptom is more common because of the enlargement of tumor, resulting in the enlargement of liver and pain caused by the pulling of liver peritoneum. Some patients with hepatocellular carcinoma may have rupture and bleeding, and the pain is more intense and unbearable, which may directly lead to death. 2. Gastrointestinal symptoms: Generally, the symptoms include lack of appetite, abdominal distension, epigastric distention and pain, nausea, vomiting, diarrhea, etc. 3. Obstructive jaundice or hepatocellular jaundice will appear in the late stage of liver cancer, which is manifested as yellow staining of the whole body and yellow urine; 4. Mental and mental changes: patients are in a trance, unresponsive, drowsy, fuzzy consciousness or even coma; 5. Clinical symptoms of infection in corresponding parts can be manifested, such as fever, cough, sputum, difficulty in breathing, abdominal pain, abdominal distension, difficulty in urination, etc. Severe lung infections can result in sputum blockage of the airway, leading to respiratory distress, wheezing, and respiratory failure, which can directly lead to the patient’s death. Infections in other parts of the body as well as lung infections can also cause septic shock, manifested as decreased blood pressure, cold extremities, little urine, blue lips, which can directly lead to respiratory and circulatory failure and death; 6. In severe cases of hepatic encephalopathy, central respiratory failure may occur, which may be manifested as irregular respiratory rhythm, tidal breathing, etc. Patients may die from central respiratory failure; 7. Upper gastrointestinal bleeding: if liver cancer occurs on the basis of cirrhosis, ruptured bleeding from esophageal or gastric fundic varices may occur, which may be manifested as vomiting blood and black stool. If hepatocellular carcinoma occurs on the basis of cirrhosis, hepatorenal syndrome may appear, manifesting as oliguria or even anuria.