Gastric bleeding is a very serious disease, often rapid onset, rapid progress, only to find the cause of symptomatic treatment, in order to fundamentally alleviate gastric bleeding, so which gastrointestinal diseases often lead to gastric bleeding? Diseases that tend to cause gastric bleeding: 1, stomach, duodenal disease: gastric ulcer, duodenal ulcer, acute gastric mucosal erosion, stress ulcer, chronic gastritis, stomach, gastric polyps, gastric smooth muscle meat, gastric smooth muscle, gastric mucosal prolapse, post-surgical anastomotic ulcer, sleeve, gastric granulomatous lesion, duodenal diverticulum. 2, vascular lesions: aorta, splenic artery, small arteries within the gastric wall, blood vessels, submucosal arteriovenous malformations, hereditary hemorrhagic capillary dilation. 3, esophageal diseases: esophagogastric fundic varices, esophageal cardia mucosal tear syndrome, esophageal hiatal hernia, esophagitis, esophageal ulcer, esophagus, benign esophageal swelling, esophageal diverticulum. 4, hepatobiliary and pancreatic diseases: cirrhosis with portal hypertension, liver with portal hypertension, portal vein thrombosis, portal vein obstruction syndrome, biliary bleeding, potbelly, pancreatic invasion of the duodenum, acute pancreatitis. 5, systemic diseases and other: epidemic hemorrhagic fever, leptospirosis, pulmonary heart disease, emphysema co-infection, coagulation disorders, leukemia, purpura, hemophilia, diffuse intravascular coagulation, lymphoma, uremia, amyloidosis, nodular disease. Through the above introduction, we can see that there is more than one disease that can cause gastric bleeding, so we need to do the relevant examination to clarify the cause before we can make the corresponding treatment, gastrointestinal diseases usually need to do the relevant gastroscopy and colonoscopy.