Thoraco-gastric fistula is usually associated with postoperative complications, mainly refers to the intestinal or thoracic sustained destruction of the internal solution overflow when a manifestation of the specific prognosis depends on the severity of the disease, light general prognosis is good, such as the combination of complications, the prognosis is poor. Mild thoracogastric fistula is not serious, the symptoms are not obvious, most patients simply appear epigastric discomfort. The prognosis of this case through timely treatment is good, can take non-surgical treatment, such as giving parenteral nutritional support, oral antibiotics anti-inflammatory, can be recovered in a short time. If it is a more serious thoracic gastric fistula, the patient may experience symptoms such as dyspnea, chest tightness, etc., and in severe cases, it may cause some complications, such as infectious shock, etc., and the prognosis of this type of patients is poorer. If the chest and stomach fistula is detected, it is recommended to consult a doctor in time, complete the relevant examinations and listen to the advice of a professional doctor.