Frequent belching with hidden pain in the right upper abdomen may be due to functional dyspepsia, gastroduodenal ulcer, chronic gastritis, chronic cholecystitis and other causes. 1. Functional dyspepsia: it may be related to overeating, eating spicy and stimulating food, excessive mental stress and other factors, the patient’s gastrointestinal peristalsis is physiologically weakened, resulting in the accumulation of food, so this symptom will appear. 2. Duodenal ulcer: Duodenal mucosal ulcers, bleeding and other lesions lead to pain, so this symptom will appear. 3. Chronic gastritis: it may be related to Helicobacter pylori infection and other factors, chronic exudation, atrophy and other changes in the gastric mucosa lead to decreased digestive function, so this symptom will appear. 4. Chronic cholecystitis: the gallbladder is located in the right quarter of the ribcage, gallbladder stone stimulation, long-term repeated bacterial infections and other factors lead to chronic inflammatory lesions of cystitis, bile secretion and emptying obstacles, fat digestion is limited, so the above symptoms will occur. Frequent belching with hidden pain in the right upper abdomen may be related to a variety of factors, and it is recommended to consult a doctor for a clear diagnosis.