Based on the slope of mining in Nanjing area as the background to studied the stability of the soft and hard rock slope. The FLAC^3D with the strength reduction FEM was used to solve the different hard rock strata dip and strata thickness to influence the bedding slope and reverse slope's deformation, then the influence of the above factors on the slope deformation were analyzed and compared. The results show that the dip angle of the hard rock in the slope is bigger, the thickness is bigger, the deformation is smaller and the deformation tends to be stable; the dip angle of the reverse slope is bigger, the thickness is bigger, the deformation decreases and then increases, which shows that the reverse slope is prone to dumping deformation.