Cattle fly killing device for beef cattle breeding

The cattle fly killing device for beef cattle breeding comprises a fixing plate, an insect trapping bag is arranged at the bottom end of the fixing plate, a collecting bottom frame is arranged at the bottom end of the insect trapping bag, and a plurality of insect trapping through openings are formed in the upper end of the periphery of the outer portion of the insect trapping bag. Insect luring sleeves are arranged at the positions, opposite to the insect luring through openings, of the upper end of the periphery in the insect luring bag. When insect bodies collected in the collecting bottom frame are treated, the spring blocks are pressed to be separated from the interiors of the limiting through openings, the collecting bottom frame loses constraining force, then the collecting bottom frame is pulled to move downwards, the fixing blocks are separated from the interiors of the fixing openings, and therefore the insect bodies in the collecting bottom frame can be treated. And moreover, a fixed embedding bloc