Suction type mosquito catching device

The invention belongs to the technical field of mosquito catching, and particularly relates to a suction type mosquito catching device which comprises an outer barrel and an inner barrel, the inner barrel is inserted into the outer barrel, an air inlet is formed in one end of the inner barrel, and an air outlet is formed in the other end of the inner barrel. An air draft assembly is fixedly installed in the inner barrel, the air inlet end face of the air draft assembly faces the air inlet, and the air exhaust end face of the air draft assembly faces the air outlet. A mesh enclosure is detachably connected to one end of the air inlet of the inner barrel, one end, far away from the inner barrel, of the mesh enclosure is closed, a rotating shaft of the air draft assembly penetrates through the side wall, far away from the inner barrel, of the mesh enclosure, and the rotating shaft is rotationally connected with the side wall of the mesh enclosure; the portion, located on the outer side of the mesh enclosure, of