Gastritis and duodenal ulcer should not eat spicy, stimulating and indigestible food. Gastritis is a chronic inflammation of the gastric mucosa caused by various etiologies, mainly manifested as clinical symptoms such as gastric distension, stomach pain and indigestion. In contrast, duodenal ulcer is more serious, is a variety of etiological causes of duodenal mucosa broken, and finally formed ulcer, clinical manifestations are often chronic, periodic, rhythmic upper abdomen, and hunger pain is the most obvious. For patients with gastritis and duodenal ulcers, they should abstain from eating spicy, stimulating and indigestible foods. Spicy and stimulating mainly include too cold, too hot, etc. These foods can stimulate the gastroduodenal mucosa, causing the symptoms of gastritis and duodenal ulcers to worsen, and after the intake of indigestible foods, it is easy to cause the digestive machinery of the gastrointestinal tract to enhance, thus causing the symptoms of gastritis and duodenal ulcers to worsen.