The utility model discloses a water-drainage parking lot pavement structure which comprises a parking lot pavement and a water drainage ditch positioned on the side part of the parking lot pavement or adjacent green belts, wherein the parking lot pavement structurally consists of a multiporous bituminous mixture upper surface layer, a waterproof layer, a common bituminous mixture middle surface layer and a soil base layer. During working, rainwater penetrates downwards and flows towards the lateral direction in the multiporous bituminous mixture upper surface layer to enter the water drainage ditch or soil layers of the adjacent green belts; the multiporous bituminous mixture upper surface layer is 2.5-4cm thick, and the porosity is not less than 10 percent; the common bituminous mixture middle surface layer is 6-8cm thick, and the porosity is 3-6 percent; water can penetrate by virtue of connection by virtue of holes in the upper surface layer; the rainwater can be permeated from the upper surface of a road; mixtures on the upper surface flow towards the inner side to enter the water drainage ditch or the adjacent green belts and finally enter a water drainage system or is absorbed by virtue of soil by plants or evaporated or supplemented to underground water and enter a natural ecological circulation system.