Survival time after resection of half of the liver is mainly related to the cause of the disease, which is mainly categorized into traumatic liver rupture resection and liver resection with underlying liver disease. The resection of liver in patients with traumatic liver rupture usually does not affect the survival time, and a liver with normal function can compensate even after half of it is resected, and can regenerate into a normal-sized liver, and the patient can have a normal long-term survival. Patients with underlying liver disease, such as severe cirrhosis, liver cancer, etc., cirrhosis of the liver compensation ability is weakened, can be due to the complications of cirrhosis, such as portal hypertension, liver failure, etc., affecting the life expectancy of the patient, general cirrhosis of the loss of compensation of the patient’s 5-year survival rate of about 50%; and hepatocellular carcinoma, there are recurrence, combined with the problem of cirrhosis, postoperative survival can not be correctly predicted time. It should be noted that after hepatectomy, the liver’s compensatory ability has not been restored, and drugs that damage the liver should be avoided and the dosage of normal drugs should be adjusted appropriately. It is advisable to consult the physician in charge who will evaluate the patient’s condition and give precise recommendations.