First Avoidance: Icy and overheated food. The temperature of food and drinks should be moderate, and tea and soup should not be too hot.
Second Avoidance: Eating excessive amounts of MSG, spicy and sour foods, and overly salty food. The diet should be light in flavor, as heavy flavors can stimulate gastric acid secretion. Small amounts of ginger and pepper can warm the stomach and enhance the protective effect of the gastric mucosa. [China Cuisine]
Third Avoidance: Eating foods that are too rich, greasy, or fried. The diet should consist mainly of easily digestible foods. Meat should be thoroughly cooked, and vegetables should not be undercooked.
Fourth Avoidance: Unregulated eating habits. It is advisable to eat smaller meals more frequently to avoid pain from hunger. If pain occurs, you can eat one or two soda crackers.
Fifth Avoidance: Drinking alcohol and coffee. Especially alcohol, as it is too irritating to the stomach and can worsen ulcers.