Abstract: The invention relates to a PVC composite flooring, comprising PVC base material and decorative board with alumina hot-pressed on the surface. The invention also relates to a process of preparation for the PVC composite flooring, comprising bonding the PVC base material and the decorative board with alumina hot-pressed on the surface using a hot-melt adhesive. The PVC composite flooring of the present invention is excellent in abrasion resistance, has remarkably improved resistance to indentation, is particularly excellent in compression stability.