Most of benign liver cysts & tumors in pediatric age group are asymptomatic &require no treatment, for just follow up clinically or by abdominal UlS is enough e.g.simple hepatic cysts Abdominal U/S is initial diagnostic tool for benign liver cysts & tumors.Abdominal Triphasic CT is the gold standard for diagnosis of most of benign liver cysts & tumors.e.g. hemangioma &pyogenic liver abscessSome of them need additional investigation as serological tests e.g. Hydatid cyst&amaebic abscess ,others require biobsy for sure diagnosis e.g. Mesenchymal HamartomaOthers require medical treatment e.g. pyogenic hepatic abscess & some cases of Hemangioma ,Others require aspiration e.g. pyogenic hepatic abscess. In combination with antibiotics