This dataset is the 10-meter Sentinel cloudless quarterly dataset of Islamabad from 2017 to 2020, a total of 16 issues, the original data is the Sentinel data released by ESA's Copernicus data center, and obtained after cloud determination, de-clouding, and data patching by the world's cloud-free algorithm, spatiotemporal filtering, invalid threshold removal and pixel-based median filtering. The data format is TIF format with a spatial resolution of 10 meters.