Multiple cystic lesions in the liver are mostly considered as polycystic liver or hepatic cystadenoma, the severity and the cause of the disease, the size of the lesion, etc.; generally do not need to be treated, regular review, severe multiple cystic lesions in the liver need timely hospitalization for surgery and other treatments. 1. Pathogenesis: intrahepatic multilocular cystic adenomatous lesions may be caused by congenital factors, or trauma, inflammatory stimuli, etc., often found incidentally in the physical examination, the patient does not have obvious clinical manifestations, generally no need for treatment, only regular review ultrasound, CT and so on. 2. The size of the lesion: if the patient has no obvious clinical manifestations, don’t worry too much about the treatment, temporary observation; if the diameter of the liver cysts is large, compressing the liver and blood vessels and other tissues, resulting in abdominal pain, diarrhea, nausea and vomiting and other symptoms, and conservative treatment does not alleviate the problem, it may be necessary to carry out cystectomy, partial hepatectomy and so on. It is worth mentioning that hepatic cystadenoma has some malignant potential, and active treatment is recommended after detection. Multiple cystic lesions in the liver are also related to other factors, and it is recommended to visit the hospital and under the guidance of the doctor for standardized treatment.