60-year-old people suddenly spit out a few mouthfuls of blood may be gastric ulcer, duodenal ulcer, gastric cancer, cirrhosis of the liver and other causes. 1. Gastric ulcer: when a 60-year-old man suffers from gastric ulcer, improper diet, adverse emotional stimulation, etc., it will lead to the ulcer surface enlargement, vascular overexpansion and congestion, which will lead to the rupture of blood vessels, and it can cause sudden spitting of several mouthfuls of fresh blood. 2. Duodenal ulcer: when the base of duodenal ulcer is stimulated and corroded to blood vessels, it can lead to rupture of blood vessels and bleeding, which can cause 60-year-olds to suddenly spit out several mouthfuls of blood. 3. Gastric cancer: with the development of gastric cancer, when gastric cancer invades into larger blood vessels, it can lead to the symptom of suddenly vomiting several mouths of fresh blood. 4. Liver cirrhosis: with the development of liver cirrhosis, it can lead to the obstruction of portal vein reflux, resulting in the continuous elevation of portal vein pressure, and then it can cause the submucosal vein of esophagogastric fundus to become varicose and protrude in the lumen of esophagus, which can easily lead to the rupture of varicose vein wall after stimulation of food, causing the gastrointestinal tract to bleed, and then vomiting of blood can occur. 60-year-old people suddenly spit out a few mouthfuls of blood, need to be sent to the hospital in time to avoid causing delays in the condition.