Sandbelts are classified according to the substrate, including cloth, paper, non-woven fabric, and suitable substrates. Sandbelts are classified according to abrasives, including general abrasives, natural abrasives, and superhard abrasives. There are also requirements for sand planting methods, particle size, and sand planting density. Additionally, there are adhesives, which generally use resin glue and animal glue, but the degree of softness and hardness varies. Ultimately, its structure, including scale, shape, width, etc., must be well utilized when using it.