With the increasing demands for lighter, safer and more environment-friendly automotive,hi-tech fibers see a promising future in automotive field. Based on some latest developmentsof fibers applied to auto structure, interior, acoustic material, bullet-proof material, etc.,an overall introduction of how hi-tech fibers applied to automotive was presented. Theauthor put forward that high-performance fiber and its reinforced material will remain thepreference of luxury auto, and with the fibers’ price going down, intermediate auto will alsobe a big market.