A cold stomach after a meal may be caused by physiological reasons, such as dietary problems, or by pathological reasons, such as gastritis, gastric ulcer or duodenal ulcer. 1. Physiological reasons: dietary problems: no fixed time to eat, cold food and hot food alternately. Or usually love to drink drinks during meals, especially some ice-cold drinks, which will lead to the patient feeling cold stomach. 2. Pathological reasons: gastrointestinal diseases can lead to gastrointestinal dysfunction, which can trigger the symptom of feeling cold in the stomach after eating. (1) Gastritis: Gastritis is divided into acute gastritis and chronic gastritis. The causes of acute gastritis often include stress, alcohol, trauma and medication, while the causes of chronic gastritis often include Helicobacter pylori infection, autoimmunity and gastric reflux. Gastritis is usually treated with medication, such as teprenone capsules, etc. When the condition is serious, such as the presence of gastric hemorrhage, gastric abscess and other lesions or cancerous, the doctor will take appropriate surgical methods according to the situation for treatment. (2) Gastric ulcer: It refers to the increase of gastric acid or the decrease of protective mucus in the stomach, which leads to the damage of gastric mucosa and the formation of ulcer. The common cause is Helicobacter pylori, which is usually treated with medication, such as omeprazole enteric-coated tablets. (3) duodenal ulcer: refers to the duodenum in the high gastric acid, pepsin invasion, defense imbalance, digestion of its own mucosa to form ulcers. It is usually treated by medication, such as lansoprazole enteric-coated tablets. If you feel unwell, you should go to the hospital in time, and the medication should follow the doctor’s instructions.