The causes of multiple rounded hypodense shadows in the liver include benign intrahepatic tumors, malignant intrahepatic tumors and so on. 1. benign intrahepatic tumors: for example, liver cysts, it is necessary to perform upper abdominal enhancement CT or magnetic resonance examination, to further clarify whether the hypodense shadow is considered liver cysts, for liver cysts with small diameter, as patients often have no clinical symptoms, just the volume of the incidental discovery, it can be considered for observation and treatment, if the volume of large liver cysts, the patient’s clinical symptoms are obvious, and it is necessary to consider the surgical resection of the liver cysts. 2. Malignant tumor in liver: for example, liver cancer, as it is a malignant tumor, it will pose a threat to patients’ life. When liver cancer is found, early surgical resection of liver cancer is needed, which is of great significance in prolonging patients’ life and improving patients’ quality of life. Patients should go to the hospital in time if they have any discomfort, and should not be careless so as not to delay the treatment.