Visual object detection and tracking methods have always been one of the most popular research directions.In recent years,with the rapid development of UAV technology,the use of UAV aerial photography technology for target detection and tracking has become a research hotspot.As for UAV target detection,the complexity and challenges of UAV aerial photography target detection and tracking tasks are discussed,and the target detection algorithms based on deep learning are introduced in detail.In addition,as for UAV target tracking technology,two discriminative tracking algorithms based on correlation filtering and deep learning are discussed in depth.Finally,the prospect of target detection and tracking technology applied to UAV field is summarized.