Abdominal distension and splenomegaly portal hypertension anorexia can be seen not only in cirrhosis, but also in other types of portal hypertension, such as prehepatic and posthepatic. 1. Cirrhosis, according to the classification of portal hypertension, cirrhosis belongs to hepatic portal hypertension and is the most common cause of portal hypertension. Patients will have splenomegaly, esophagogastric fundus varices, abdominal wall varices, retroperitoneal varices and nevus varices. At the same time, there is abdominal distension caused by abdominal fluid accumulation, and anorexia of greasy food caused by abnormal liver function. 2. Pre-hepatic portal hypertension is mainly seen in pre-hepatic portal vein vascular disease, and the common causes include extra-hepatic portal vein thrombosis, congenital anomalies and so on. 3. Post-hepatic portal hypertension is mainly seen in post-hepatic vascular diseases, such as obstruction of the hepatic vein and inferior vena cava, with common causes such as constrictive pericarditis, severe right heart failure, and Bard-Geary syndrome. The symptoms of abdominal distension, splenomegaly, portal hypertension and anorexia nervosa require prompt medical attention, and the doctor’s instructions should be followed to improve the examination in order to clarify the cause of the disease.