Liver cysts of 8 centimeters are asymptomatic and most of them can be treated without surgery for the time being, with regular follow-up and observation. Liver cysts are a common benign disease of the liver, and are usually congenital, but can also be caused by trauma or inflammation. For asymptomatic liver cysts, no special treatment is needed, and it is sufficient to review the abdominal ultrasound every 6 to 12 months to observe the changes in the condition. Surgery should be considered when the following conditions occur during follow-up: gradual enlargement of the cyst causes compression symptoms, such as abdominal distension, nausea, vomiting, right upper abdominal discomfort, etc.; combined with intracystic hemorrhage or infection; malignant tendency is found. Usually, cyst opening or decapitation is adopted, and partial hepatectomy can also be performed if necessary. If a liver cyst measuring 8 centimeters is found, it is recommended that the patient go to the hospital as soon as possible and consult a professional doctor to determine the next step of the treatment plan.