Stomach discomfort, many patients feel distended in the upper abdomen, some patients show chest tightness, mostly as a symptom of abdominal distension. The diaphragm at the top of the abdominal cavity lifts upward after abdominal distension, resulting in a decrease in the volume of the chest cavity and symptoms of respiratory distress. Such patients should be treated mainly for stomach, and can take oral medications to promote gastrointestinal motility, such as morpholine and mosapride. Some patients present with epigastric pain and also feel dyspnea and heartburn after the pain. Such patients can take oral acid-suppressing drugs, such as omeprazole and rabeprazole. If the symptoms are not relieved for a long time, it is recommended to go to the hospital for a barium meal or gastroscopy to exclude malignant diseases in the stomach.