Use medium and high density fiber water-based board or calcium silicate board as base material, through sanding, multi-layer water-baser paint coating and water-in- water multi-color paint spraying, reach to imitation granite decorate effect, finally coating fluorocarbon paint cover, so that it has perfect self-cleaning performance. water-in-water multi-color paint can be sprayed the embossment decorative effect which is natural and fresh and constant, and is the one of the most popular products in integrated board industry.