Abnormal perfusion of the liver is not necessarily serious. Abnormal perfusion of the liver is usually detected by enhanced CT and MRI and is a manifestation of abnormal liver hemodynamics. Clinically, there are many causes of abnormal perfusion of the liver, both congenital and acquired factors, both intrahepatic and extrahepatic factors. Clinically, specific relevant tests are needed to determine the cause of abnormal liver perfusion before the presence of serious diseases can be determined. Common abnormal liver perfusion includes severe hepatitis, liver tumor, hepatic arteriovenous fistula, constrictive pericarditis, right heart failure, etc. Most abnormal liver perfusion may be related to hepatic arteriovenous fistula, which is usually a small arteriovenous fistula where the patient does not have clinical symptoms or abnormal liver function and can be followed up and observed regularly. For abnormal perfusion of the liver caused by malignant tumor growth and compression, surgical treatment should be considered, especially radical surgical treatment, and some other conditions may also cause abnormal perfusion of the liver, such as after interventional surgery, which may be some normal post-operative reactions and need not be too nervous.