Abstract: With the advancement of science and technology,UAV is favored by countries all over the world. In foreign countries,especially the aviation developed countries in Europe and the United States,the UAV project layout has been indepth planned,and the global UAV industry is showing a vigorous development situation. The development status of foreign UAV is introduced in the paper,and the existing foreign UAV projects are analyzed and studied,and its characteristics and development trends are discussed,which provides a certain reference for related technology and field research of our country.