Gas stove convenient for reducing flue gas

The utility model relates to the technical field of gas cookers, in particular to a gas cooker convenient for reducing smoke, which comprises a cooking bench, a cooking range is arranged in the centerof the top of the cooking bench, a circle of retainer ring is arranged at the top of the cooking bench around the cooking range, a circle of side teeth are arranged on the inner wall of the retainerring, and five cranks are arranged on the retainer ring in a surrounding manner at equal intervals. The end, located in the protection ring, of the crank is connected with a connecting rod, the connecting rod is of an arc-shaped structure, rivets are arranged between the connecting rods, the connecting rod is movably connected with a sealing plate through the rivets, the tail end of the sealing plate is connected with a rack, the rack is of a bent structure, and the bending degree of the rack corresponds to the radian of the side teeth. The driving lever is pulled to drive the crank to rotate,the crank is connected wit