Generally, there is no such word as “gastric aging”, which may refer to the atrophy of gastric mucosa, usually related to diet, lifestyle habits, infections, etc. It is recommended to consult a doctor for clarification in time. 1. Diet: prolonged bad dietary habits may damage the gastric mucosa, gastric mucosal atrophy, such as long-term coffee, strong tea, eating spicy stimulation, greasy cold and high salt food. 2. Lifestyle habits: such as staying up late, drinking and smoking, overeating, or too much stress in life, leading to long-term mental tension, anxiety and drug abuse may lead to gastric mucosal atrophy. 3. Infection: such as Helicobacter pylori infection may destroy the stomach wall, damage the gastric mucosa, so that it gradually thin, so that when the number of gastric glands is reduced, it may lead to gastric mucosal atrophy. It is recommended that patients develop good living habits and seek timely medical treatment if gastric mucosal atrophy occurs.