There is no medical concept of stomach nourishment, but for the healthy average person, the best food for the stomach is clean and wholesome. For those with weak digestion of the gastrointestinal tract, caffeinated foods such as strong tea need to be avoided, while soft foods such as porridge can be considered during the acute onset of the disease. One of the most damaging factors to the stomach is Helicobacter pylori infection, as it is one of the main triggers of acute gastritis, gastric ulcers, and gastric cancer. To avoid H. pylori infection, the most important thing is to pay attention to dietary hygiene, try to eat and drink in public places using communal chopsticks, and consume fresh and not overnight food. For patients with poor digestive function, they should reduce the consumption of strong tea, strong coffee, strong chocolate and other such caffeine-containing foods, which are prone to cause reflux and indigestion. In the acute onset of gastric diseases you can choose liquid food, such as porridge, rice paste, etc., which have fewer indigestible components, and at the same time, you should reduce the consumption of food with high content of fiber, ellagic acid, and phytic acid, such as spinach, persimmons and so on.