The 6th Int'l Conference on Remote Sensing Technologies and Applications (ICRSTA 2021) will be held from July 16-18, 2021 in Kunming, China. The conference will cover issues on Automated feature extraction, Classification and Data Mining Techniques, GIS / Earth Monitoring and Mapping, Global change studies, Global Positioning and Navigation Systems, Hazard monitoring, Image Processing Techniques, etc. It dedicates to creating a stage for exchanging the latest research results and sharing the advanced research methods in related fields.