Road glass beads are mainly used in room temperature and hot-melt road marking paint. The pre-mixed glass beads can be mixed with the paint in the production of hot-melt road paint, which can ensure long-term reflection of road marking in the life period. The other can be spread in the road marking line spread on the surface of the line to play the immediate effect of reflective so that the driver in the rain or dance sections more clearly reflected in the driver's eyes. After the surface treatment of coated glass beads, used in road marking construction, can greatly improve the adhesion of glass beads and hot melt marking, and enhance the refractive index of road marking, and self-cleaning, anti- Moisture and other use. Road glass beads used to improve the road paint reflexive performance, improve the safety of drivers driving at night.