The invention discloses a green and environment-friendly permeable asphalt mixture for cold regions. The green and environment-friendly permeable asphalt mixture comprises, by weight, 210-230 parts ofsteel slag, 8.80-9.53 parts of SBS (styrene-butadiene-styrene block copolymer) modified asphalt, 6.14-6.36 parts of limestone mineral powder, 1.14-1.27 parts of diatomaceous earth, 0.70-0.95 part ofrubber powder, 0.53-0.76 part of TPS (toughened polystyrene) asphalt high-viscosity agents, 0.25-0.30 part of warm mixing agents and 0.47-0.94 part of basalt fibers. The invention further provides a method for preparing the green and environment-friendly permeable asphalt mixture for the cold regions. The green and environment-friendly permeable asphalt mixture and the method have the advantages that the green and environment-friendly permeable asphalt mixture is sufficient in strength, water stability, durability, frost resistance and water permeability, rainwater can be immediately permeatedinto spaces below pavements, accordingly, the driving safety can be greatly guaranteed, driving noise can be lowered, and urban water logging can be reduced; the construction temperatures further canbe reasonably lowered, the construction difficulty can be lowered, and the green and environment-friendly permeable asphalt mixture and the method have important engineering application values.