A roller zipper slide includes a slide body having a longitudinal slot on a top slide body block in communication with an internal chamber thereof and two coupling grooves located at two opposite lateral sides of the longitudinal slot. The roller zipper slide further includes a roller pivotally having two pivot pins respectively pivotally coupled to the coupling grooves and a bottom side thereof projecting into the internal chamber of the slide body right above the engaging position between the left and right series of teen of the zip fastener, thereby improving sliding mobility, reducing zipper teeth wear and prolonging zipper slide lifespan.