Liver cysts are a common disease in hepatobiliary surgery, some of them are so small that they can be less than 1 cm and some of them are so large that the patient can resemble an October pregnancy. In small liver cysts, attention should be paid to exclude liver cancer, while in large liver cysts, attention should be paid to cyst rupture, some liver cysts are connected to the biliary system and are prone to complications of infection, which can easily lead to serious consequences if left untreated. For the treatment of liver cysts, besides surgery, the minimally invasive interventional treatment that has emerged in recent years has also brought good news to patients.