Permeable road kerb applied in asphalt pavement

The utility model provides a novel permeable road kerb structure applied in an asphalt pavement, the road kerb has a two-layer compound structure and comprises an impermeable upper layer and a permeable lower layer, the impermeable upper layer can prevent dust and garbage on the pavement from invading and blocking a permeable channel, and the permeable lower layer can drain rainwater stored in an asphalt layer. The new structure has the functions of eliminating the rainwater in the asphalt surface layer, eliminating the rainwater accumulated in the asphalt layer, further eliminating the water damage phenomenon of the asphalt pavement caused by the water stored in the asphalt layer and effectively preventing the dust, the garbage and other sundries on the pavement from blocking gaps of the permeable road kerb. Simultaneously, the original effects of labeling the sideline of the pavement and transversely stabilizing pavement material of the road kerb can be still retained.