High power microwave weapon is a new type of directed energy weapon.Based on the characteristics of UAVs and their impact on counterattack methods,this paper analyzes the advantages and damage mechanism of high-power microwave weapon counterattack UAVs,focuses on the main research achievements and development status of typical high-power microwave weapons in the United States and Russia,and summarizes the main key technologies involved in high-power microwave weapons.The development trend of high power microwave weapon in counterattack UAV field is presented.In the future,it can be predicted that high-power microwave weapons will play an increasingly important role in the battlefield to counter UAVs.