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 contraindicated in patients with portal pneumatosis? The following are the foods that are contraindicated for patients with portal venous pneumonia. Patients with portal pneumoperitoneum should not eat foods that are irritating to the peritoneum; avoid eating alcoholic foods; avoid eating spicy foods; avoid eating dry foods. 1, fried fava beans: dry, there is a significant irritation of the peritoneum, is not conducive to the recovery of the disease. Can eat steamed fava beans. 2, chili pepper: the gastrointestinal tract mucosa has a certain degree of irritation, can cause clinical manifestations of peritonitis-like pain. Eat more vegetables and other non-spicy food. 3, raw garlic: belongs to the spicy irritant food, direct consumption although the role of eliminating intestinal flora, but for peritonitis patients irritation is more obvious. It can be fried and eaten in small amounts.