Portal vein widening refers to greater than normal portal vein and is mostly caused by portal hypertension due to various causes such as hepatitis, cirrhosis, liver cancer, fatty liver, intrahepatic bile duct stones, hepatic hemangioma, liver cysts, etc. Once the symptoms of portal vein widening appear, you should not take it lightly and paralyze it. You should go to the gastroenterology department of a regular public hospital in time to find out the cause of portal vein widening and get the appropriate treatment from a specialist to avoid delaying the disease and aggravating it. At the same time, we should develop good habits of life and diet, avoid overwork; keep a happy mood, avoid anger; eat regularly, eat less and more meals, eat a light, easy to digest, nutritious diet, avoid cold, spicy and other stimulating food, quit smoking and alcohol.