The effect of the modification of interfacial structure on road properties of concrete was studied. The results showed that the concrete in which the aggregate is enveloped by silica fume and admixing admixtures (SF and/or FA) are mixed in cement paste, can enhance the interfacial bond splitting strength greatly, while the densification of bulk paste is somewhat reduced. It makes the microstructure of concrete homogenize. The flexural strength of concrete by enveloping silica fume and admixing admixture on aggregate can be increased by 10%, brittleness coefficient can be decreased by 35% and abrasion resistance can be enhanced above 15%.