A method of processing a light-sensitive silver halide color photographic material subjected to imagewise exposure, substantially through a color developing step, a bleach-fixing step and a washing-substitutive stabilizing step in this order, wherein at least one layer of said light-sensitive silver halide color photographic material comprises a silver halide containing not less than 80 mol % of silver chloride and a nitrogen containing heterocyclic mercapto compound, said washing-substitutive stabilizing step is carried out in a processing time of not more than 45 seconds, and a washing-substitutive stabilizing solution used in said washing-substitutive stabilizing step has a salt concentration of at least 1,000 ppm.