Liver cyst in the left lobe of the liver means: cyst-like lesions in the left lobe of the liver located within the second, third and fourth segments of the liver, the most common cause is congenital hepatic cysts, and most of the patients have no clinical symptoms. Generally speaking, small cysts do not need to be treated, as long as they are regularly examined and observed. If the cysts are larger than 5 centimeters in diameter, or if clinical symptoms such as pain in the liver area occur, patients are advised to seek further treatment. Clinical treatments for cysts in the left lobe of the liver include. 1. Percutaneous transhepatic hepatic cyst puncture and drainage: after draining the cyst, anhydrous alcohol is injected through the catheter to destroy the wall of the cyst, and some patients can be cured after treatment. 2. Laparoscopic hepatic cyst decapitation and drainage: this treatment is suitable for liver cysts located on the surface of the liver, the way is to make a small incision at the lowest position of the cyst after laparoscopic entry and take out a part of the solid wall of the hepatic cyst. The patient also heals after adequate drainage. Patients with cysts in the left lobe of the liver need to go to the Department of Hepatobiliary Surgery of the hospital in a timely manner, under the guidance of the doctor, complete the relevant examinations, to clarify the condition, and to be systematic and regular treatment.