High-efficiency antiseptic energy-saving chimney

The utility model discloses a high-efficiency antiseptic energy-saving chimney which comprises a chimney cylinder body (1) and a smoke inlet channel (2), wherein a lining of the chimney cylinder body (1) is provided with a screw-type smoke diversion line (3), and the lower end of the chimney cylinder body (1) is provided with a smoke inlet port (10); and one end of the smoke inlet channel (2) is connected to the smoke inlet port (10) and is communicated with the interior of the chimney cylinder body (1) through the smoke inlet port (10). The chimney is characterized in that the smoke inlet channel (2) is connected with the smoke inlet port (10) in an elevation alpha mode, and one side inner wall of the smoke inlet channel (2) and the inner wall of a lining (1a) of the chimney cylinder body (1) are tangential and are smoothly connected, thus the smoke passes through the smoke inlet channel (2) so as to upward enter the interior of the chimney cylinder body (1) along the tangential direction in an inclined mann