Common spicy and irritating foods include alcoholic beverages, tobacco, strong tea, coffee, chili peppers, mustard, pepper, garlic and so on. 1. Alcoholic beverages: Alcoholic beverages have strong irritation to the gastrointestinal tract, which can lead to apoptosis of the epithelial cells in the oral cavity and gastrointestinal tract, and even cause gastrointestinal bleeding, alcoholic gastritis, gastric ulcers and other serious diseases. So alcohol is not recommended. 2. Tobacco: Tobacco contains tar, nicotine, carbon monoxide and other harmful substances, which have more obvious irritation to the digestive tract and respiratory tract. In the long run, it also increases the risk of tumor development. 3. Strong tea, coffee: this kind of food contains more caffeine, which will lead to an increase in gastrointestinal peristalsis, gastroesophageal reflux, gastritis, gastric ulcer and other diseases of the patient, after drinking, it is easy to lead to aggravation of symptoms. 4 chili pepper, mustard and other seasonings: such food contains more capsaicin, allicin and other stimulating plant compounds, after eating too much, it is easy to lead to gastric mucosal epithelium congestion, edema, which leads to stomach pain, bloating and other gastrointestinal adverse reactions. People with sensitive gastrointestinal tracts should control their intake. Usually the diet to light, it is recommended to add less seasoning, while quitting smoking, alcohol, drinking light tea, a small amount of coffee, to develop a good dietary habits, is good for health.