To determine whether it is gastric or intestinal dyspepsia is mainly based on the site of discomfort, symptoms and endoscopy, gastrointestinal imaging and imaging tests. 1. Discomfort and symptoms:The main discomfort of gastric dyspepsia is pain in the upper abdomen, mostly accompanied by acid reflux, belching, loss of appetite and so on. Intestinal dyspepsia is mainly in the lower abdomen, such as often occurs in the lower abdomen pain or abdominal cramps, symptoms are mainly chronic diarrhea, constipation, farting more. 2. endoscopy: gastric dyspepsia gastroscopy will appear gastric mucosa varying degrees of congestion, edema or erosion. Intestinal dyspepsia endoscopy is intestinal congestion, mucosal damage or ulcerated surface and other phenomena. 3. Gastrointestinal imaging: gastric dyspepsia imaging most of the mucosal roughness, intestinal dyspepsia most of the mucosal folds will show concentration and other symptoms. If you have dyspepsia, pay attention to the diet should be light, do not overeat, eat more meals, continue to be unable to alleviate, we should promptly consult the relevant examination to determine the cause of treatment, to avoid delaying the condition.