Stomach bleeding is most commonly caused by diseases such as peptic ulcer, gastritis and stomach cancer. So what does stomach bleeding feel like? The feeling of stomach bleeding can vary from disease to disease. Stomach bleeding is relatively small, you may not feel it, and some just have dark stools, which can usually stop the bleeding on their own and heal naturally. In severe stomach bleeding, there will be vomiting of blood and black stool. Before vomiting blood, there may be a feeling of nausea, before defecating blood, there may be a feeling of wanting to defecate, and after vomiting blood and defecating blood, there may be blackness in front of the eyes, panic, pale face, cold sweat, drop in blood pressure, and even fainting. Therefore, the sensation of stomach bleeding is related to the location of the disease, the amount of bleeding, and the patient’s own condition. When the amount of stomach bleeding is not large, do not continue to eat cold food and spicy and stimulating food. If the amount of gastric bleeding is large, you should actively treat the original disease, monitor the vital signs as well as stop the bleeding and replenish the blood volume.