Liver cyst is a more common benign disease of the liver, therefore, need not worry about Mr. Wang will be the development of their own to what extent, as long as the B-periodic review it. Liver cyst largely divided into parasitic and non-parasitic two categories. Clinical common to most of the non-parasitic liver cyst, Mr. Wang's right suprahepatic small cysts, should belong to this category. Parasite cysts often occurred in the northwest pastoral areas, and patients often have cows, sheep, dogs and other animals in close contact with the history of the Mainland is rare. Non-parasitic liver cyst (liver cyst) classification of many, but there is a common cyst is first divided into two types of congenital and acquired, and then further classified according to causes. We found in the hospital for the majority of congenital liver cyst, the development of small hepatic duct caused by obstacles. Solitary (single and) the occurrence of liver cyst was attributed to ectopic bile duct. After the nature and cause of the classification associated with trauma, inflammation, cancer, etc., and not repeat. Isolated congenital liver cyst in the right lobe of the left than those of many a times, found another woman. Growth may slow because of long-term or lifelong asymptomatic. Many patients with liver cyst is in surgery, medical examination at the accidental discovery. The patients have symptoms of its early symptoms can be at any age, usually in the 20 to 50-year-old happened. The main clinical manifestations of cyst location, size, number and availability of organs and oppression neighbouring whether complications vary. Common symptoms are gastrointestinal discomfort, postprandial Baozhang, nausea, vomiting, abdominal pain, jaundice, and so on. If cyst small size, location deep in the liver, single, does not have any performance. Liver cyst treatment depending on their size, nature and there may be complications. Less than five centimeters in diameter and asymptomatic liver cyst do not need special treatment. Larger than five centimeters in diameter and oppression symptoms appear, in the ultrasound-guided puncture pumping liquid, capsule injection of ethanol, a good effect if the cyst rupture, torsion capsule, the capsule bleeding or cysts tremendous impact on the consumption of oppression adjacent organs Is required surgery.