Laboratory dangerous chemical management device

The utility model discloses a laboratory dangerous chemical management device, and relates to the field of chemical storage, the laboratory dangerous chemical management device comprises a main body, a filtering mechanism and an alarm mechanism, the main body comprises a base, and the top end of the base is connected with a cabinet body; wherein one side of the outer wall of the cabinet body is connected with an air inlet, one end of the air inlet is connected with a filter screen, the portion, located below the filter screen, of one end of the air inlet is connected with a brush plate, and the inner wall of the air inlet is connected with a mounting plate. By arranging the filtering mechanism, when ventilation is conducted, a motor is started, a rotating shaft rotates, when air penetrates through a filtering net, dust is left on the surface of the filtering net, the rotating shaft rotates to drive the filtering net to rotate, the filtering net rotates relative to a brush plate, and brushes on the brush plate