Belching dyspnea can be categorized into physiological and pathological, pathological causes include digestive system diseases, respiratory system diseases and cardiovascular diseases. 1. Physiological: if the one-time intake of food is more or more food to eat more gas-producing food, this symptom may occur, which is a normal physiological phenomenon, appropriate exercise to reduce the amount of food intake can be restored, without additional special diagnosis and treatment. 2. Pathological: the most common cause of this phenomenon is digestive diseases, such as gastritis, gastroesophageal reflux disease and gastric ulcer and other diseases will produce this symptom; pleural effusion and bronchitis and other respiratory diseases will also be due to the pressure on the lung tissues to produce this symptom; angina pectoris and arteriosclerosis and other cardiovascular diseases will be due to the insufficiency of blood supply to lead to this symptom. Belching and dyspnea are not characterized by disease, but may be associated with emotional stress and anxiety, etc. If you suspect that the symptoms are pathologic, it is recommended that you go to the hospital in a timely manner.