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After a certain period of adaptation, birds will have a tolerant stimulus response to bird-repelling equipment in the airport, which makes the use effect of bird-repelling equipment show a declining trend year by year and brings some hidden dangers to aviation safety. Therefore, effective measures must be taken to improve the use effect of bird-repelling equipment. Based on the characteristics of existing bird-repelling equipment and airport geographic environment, this paper proposes a scheme of building an intelligent bird-repelling system in airport based on Internet of Things technology, and proposes a scheme of automatic bird-blocking network, which solves the problem that traditional manual bird-blocking network can not be integrated into the airport intelligent system. Finally, the experiment proves that the designed automatic bird-blocking net can realize the functions of netting and netting similar to the traditional bird-blocking net, and improve the automation level of the original field bird-driving equipment.