Garlic contains allicin, which can stimulate gastric mucosa and induce stomach pain. Garlic has anti-inflammatory and bactericidal effects. It contains kind of garlic, a volatile sulfide, which not only stimulates appetite, but also has a spicy taste. Eating too much garlic will make a lot of allicin contact with gastric mucosa, leading to local irritation, which will not only cause congestion and edema, but also cause local muscle spasm, so there will be stomach pain, and some people will be accompanied by nausea and discomfort. Some people themselves suffer from digestive diseases, such as gastritis, gastric ulcer and other diseases. After eating garlic, allicin will directly stimulate the ulcer site, which will not only aggravate the condition of the ulcer site, but also lead to local erosion. People with abdominal pain after eating garlic can take omeprazole and Daxi medicine to relieve it. These drugs can protect gastric mucosa and reduce irritation to gastric mucosa.