This paper has collected 7 scenes of L band PALSAR sensor radar data of a mine in FengCheng city. jiangxi province. using the Small-baseline Subset (SBAS) method to invert the surface subsidence of the mine. Baselines of interference less than 800m has been chosen to constitute short baseline differential interference atlas. https://fitnessgravesyardes.shop/product-category/drive-motor-brush-kit/