 This paper reviews the current state of remote sensing with unmanned aerial vehicle, UAV data. It highlights the unique features of UAV data, such as its ultra-high resolution, availability of geometric and spectral data, and ability to fuse multiple sensors. Examples of UAV-based remote sensing applications include agricultural, environmental, urban, and hazard assessments. The authors conclude that UAV-based remote sensing has great potential for providing accurate and timely data for various applications. This article was authored by Huang Yao, Rong Zhiyun Qin, and Xiao Yuchen.