Portal venous gas (PVG) is an imaging sign of abnormal accumulation of gas in the portal vein and its intrahepatic portal branches due to various causes and is usually diagnosed by abdominal radiographs. The cause of necrotizing small bowel colitis has not been fully elucidated, but it is generally believed to be due to a combination of causes, of which premature birth and infection are the most important. So, what foods are suitable for patients with portal vein pneumatosis? The following are the suitable foods for patients with portal vein pneumatosis. Patients with portal vein pneumatosis are suitable to eat foods that increase the peristaltic function of the gastrointestinal tract; foods that have the ability to clean up intestinal waste; foods that have the ability to improve the intestinal flora. 1, bifidus milk: rich in bifidobacteria, can promote the peristalsis of the gastrointestinal tract, improve the function of the gastrointestinal tract. 250g direct consumption. 2, bamboo shoots: rich in fiber, can promote the excretion of gastrointestinal tract waste. 100g with ribs stewed together for consumption. 3, bok choy sticks: rich in fiber as well as vitamins, the latter can contribute to reduce the inflammatory response of peritonitis and relieve the symptoms of abdominal pain. 200g of water for white cooking.