Most of the patients with chronic mild atrophic gastritis of the gastric sinus with mild intestinalization are asymptomatic, or may have non-specific symptoms such as upper and middle abdominal discomfort, lack of appetite, belching and acid reflux. 1. Upper and middle abdominal discomfort: patients may experience upper and middle abdominal discomfort, mostly dull or burning pain in the upper abdomen, and may also experience early satiety. 2. Lack of appetite: due to the decline in digestion and absorption, patients may experience decreased appetite, anorexia and other symptoms. 3. Acid reflux, belching: due to gastric mucous membrane damage and other reasons, patients may appear acid reflux, belching, nausea and other indigestion performance. 4. Weakness, weight loss: if accompanied by pernicious anemia, patients may experience general weakness, anorexia, dizziness, weight loss and other symptoms. Although the symptoms of chronic mild atrophic gastritis of gastric sinus with mild intestinalization are mild, there is a risk of transformation into gastric cancer, which should be taken seriously. It is recommended to consult the doctor in time and follow the doctor’s instructions for standardized treatment, so as not to delay the condition.