Many patients were very nervous when they found cysts on the liver during physical examination. In fact, most liver cysts are congenital diseases, which are congenital and non hereditary. Cystic lesions in the liver, mostly benign changes, grow very slowly, most patients do not have any conscious symptoms, in the physical examination of b ultrasound, or ct found. After the cyst is found, in general, if the liver cyst is less than 5cm, it can not be treated, but can be observed and checked regularly. Usually, it is OK to protect the liver and protect the normal function of the liver. For multiple cysts with more than 5cm, the patient has obvious symptoms and digestive tract discomfort, abdominal distention, anorexia, nausea, and liver dysfunction, jaundice. Some patients will have abdominal pain, or find abdominal mass, they need to go to the hospital to find a specialist for treatment.