The pillow is generally composed of two parts, a pillow core and a pillowcase. The pillow core needs to be filled with materials to keep the pillow at a certain height during use. At present, there are various filling materials on the pillow market, among which Chinese herbal medicines such as cassia seed, wild chrysanthemum and silkworm sand; and cereals such as buckwheat shell, gluten, cotton There are also materials such as wick, grass, and waste tea, which are filled with materials, and materials made by modern technology such as porous vacuum cotton and slow-rebound sponge are high-filling materials in the market. Traditional Chinese medicine has been considered as the best pillow filling material since ancient times. Traditional Chinese medicine believes that Chinese herbal medicine as a pillow filling material can slowly exert its exertive force in people's long sleep, and exert their different effects. Go to body health and even treat diseases. Grains and other plant materials have always been considered as traditional filling materials, mainly because they contain a considerable amount of amino acid components. They can be partially absorbed by the skin during skin friction and breathing. The pillow made by modern technology. The material is mainly about the comfort of the pillow. There are three basic styles of pillowcases: an ordinary one-piece bag, an Oxford type (with a flat edge) and a bezel type. All three pillowcases have an inner seal that secures the pillow so that there are no reinforcements on both sides. Cotton, cotton and rayon can be used to sew pillowcases, but the most comfortable pillowcase material is pure cotton fabric, which is breathable and hygroscopic and does not irritate the skin.