Composite insect killing device used in tobacco storehouse

The invention relates to the technical field of insect prevention of tobacco leaf storehouses, in particular to a composite insect killing device used in a tobacco leaf storeroom, which comprises a barrel body, an umbrella body and a collecting barrel, the upper end of the barrel body is connected with the umbrella body, and the umbrella body and the barrel body are arranged at an interval; an air outlet ring communicating with the interior of the barrel body is installed on the side wall of the barrel body, and an air outlet is formed in the side, away from the barrel body, of the air outlet ring and faces the umbrella body; a fan is mounted in the barrel body; the fan blows air from top to bottom in the barrel body; the air outlet and the umbrella body are arranged at an interval, and an air wall is formed by airflow generated by the fan; a medicine box is placed in the barrel body; the collecting barrel is connected to the lower end of the barrel body, meanwhile, the insect-proof net is located at the posi