To greatly save fixing solution without collecting silver.

In a fixing solution replenish control method for a white-black photograph silver halide material treatment device, the needs for a silver collecting means and water supply and drain are eliminated and material to be treated is passed through several treatment tanks including one or more fixing solution tank and one or more stabilizing liquid tank. The resupply amount of the fixing solution tank is the function of the amount of one or more chemical in the final tank into which the material is passed. The chemical (chemicals) gives influence to the stability of the photograph material to be treated or its concentration is related to the stability.