The utility model discloses a gas burning type heating machine, aiming to provide the product with simple structure and good heat utilization efficiency. The gas burning type heating machine of the utility model comprises a cabinet with an air outlet. A gas stove is arranged in the cabinet. A cold-hot commuting case with an air exit hole is arranged in the cabinet. An outer tube communicated with the outdoor is connected to the cold-hot commuting case. An inner container of the cold-hot commuting port is arranged in the cold-hot commuting case. The gas stove is arranged in the inner container. A fume exhaust tube is arranged on the side of the inner container. The fume exhaust tube extends to the outdoor in the outer tube. The design has high heat utilization efficiency, simple structure and easy mounting; with the result that the utility model can be widely applied to the family and the office.