The most common type of tracheo-esophageal fistula is a relatively rare clinical condition regarding tracheal fistula. Because of the transportation between the trachea and esophagus, a common passageway occurs. Gas from the esophagus can enter the esophagus, and food from the esophagus can enter the lungs. So the clinical manifestations can be coughing, coughing up sputum, and the patient can cause choking when eating, so that the food is sprayed out of the airway. And it is very easy to cause aspiration pneumonia to occur, and the manifestation of chest pain, chest tightness, and even high fever persistent symptoms, and even a large amount of pus sputum coughed up, the patient will be in agony. In addition, due to the difficulties caused by diet, so it leads to the loss of appetite to appear wasting, fatigue, mental depression.