Disclosed is a method of processing an exposed black and white photographic light-sensitive material employing an automatic processor, the method comprising the steps of developing the exposed material with a developer, the developer is replenished with a developer replenisher; fixing the developed material with a fixer; washing the fixed material; and drying the washed material, wherein the developer contains a developing agent, a compound represented by the following formula (III) and at least one of a compound represented by the following formula (I) and a compound represented by the following formula (II): ##STR1##