Small abdominal pain in atrophic gastritis may be related to the symptoms caused by the disease itself, but also may be related to peptic ulcer, gastric cancer and other diseases. 1. Symptoms of the disease itself: the main symptoms of atrophic gastritis are vague pain in the upper abdomen, early satiety, acid reflux, belching and so on, but because of the inaccurate localization of visceral pain, there is a possibility that the symptoms of abdominal pain are atypical, and there is a vague pain in the abdomen. 2. Combination of other diseases: If atrophic gastritis is combined with peptic ulcer perforation, gastric cancer and other diseases, the patient may have pain in the abdomen, which needs to be dealt with in time. The causes of atrophic gastritis abdominal pain are more, if the abdominal pain persists for a long time or aggravates, it is recommended to consult a doctor in time and make a clear diagnosis under the guidance of a professional physician, so as to avoid delaying the condition.