Rayon is a silky man-made fiber composed of cellulose, and cellulose is an organic compound that constitutes the main component of plants, such as chemical filaments, such as viscose filaments, Cupra filaments, and cellulose materials. Cotton short velvet is made by chemical methods. It is a material with strength and wear resistance, and has hydrophilic properties. It is widely used in the production of hanging fabrics, pharmaceuticals, non-woven fabrics, and sanitary products.