Liver cysts are relatively common benign diseases of the liver, and a liver cyst of 0.8*0.8cm is a liver cyst measuring 0.8*0.8cm. Liver cysts are divided into parasitic and non-parasitic liver cysts; the latter are further divided into congenital, traumatic, inflammatory and tumor cysts. The most common clinical condition is congenital liver cysts, which are usually slow-growing. Small cysts are usually asymptomatic. When the cysts increase in size to a certain degree, symptoms such as fullness after eating, nausea and vomiting may occur due to compression of neighboring organs. Generally speaking, asymptomatic liver cysts do not require special treatment; huge cysts such as those with a diameter of more than 5cm and symptoms can be treated with appropriate measures such as cyst opening or decapitation. Therefore, if the patient has a liver cyst 0.8*0.8cm, it is recommended to consult a doctor in a timely manner, under the guidance of the doctor, improve the relevant examination, clarify the cause of the disease and standardize the treatment.