Whether garlic irritates the stomach or not depends on the quantity consumed and whether it is raw or cooked. Raw garlic is more irritating to the stomach, while sautéed garlic is less irritating as the chorine in it is destroyed. Proper consumption can improve immunity. Consuming a small amount of garlic can sterilize and cleanse the gastrointestinal tract. Stir-fried garlic is very rich in nutrients, containing sugar, fat, minerals, protein and so on. It can also be used as medicine, and has the effect of clearing away heat and toxins (removing heat and toxicity from the body), sterilizing the body, and stopping dysentery. Garlic is known as “plant-based natural broad-spectrum antibiotics” has a strong anti-intestinal viruses, protect the cardiovascular and cerebral vascular, activation of cells, regulating blood sugar, improve immunity and other effects, is food and medicine food. Garlic taste spicy, but also has a certain corrosiveness, eating a lot of raw garlic will lead to stomach secretion of a lot of gastric acid, resulting in heartburn, stomach pain, gastric ulcers, etc., but also on the gastric mucosa, intestinal wall caused by stimulation, affecting gastrointestinal digestion. It is recommended to eat less raw garlic, try to eat fried garlic, so as not to cause stimulation of the stomach, and then cause gastrointestinal diseases.