Hidden pain in the stomach at night is mainly considered gastritis, cholecystitis, appendicitis, gastroenteritis and other conditions. 1. Gastritis: it is a chronic disease, which occurs when patients suffer from long-term stomach pain, and is generally related to diet. 2. Cholecystitis: mostly related to patients eating greasy food or drinking alcohol, at this time the patient appeared right upper abdominal pain, the pain gradually aggravated and does not relieve. 3. Appendicitis: patients mainly manifested as metastatic right lower abdominal pain, at first the pain is located in the navel, and then transferred to the right lower abdomen, often persistent pain. 4. Gastroenteritis: mostly related to patients eating unclean and poorly digested food, usually accompanied by severe diarrhea and other symptoms. At night when the stomach pain, must be perfect as soon as possible with the examination, clear cause to give the appropriate treatment.