Aminosaccharide is an important biomolecule, which has been widely used in medical, food, chemical and other fields. First, glycosamines have important applications in the medical field. Aminosaccharide can promote the regeneration and repair of human articular cartilage, and has a good effect on the treatment of arthritis, cartilage injury and other diseases. In addition, aminosaccharides can also be used to treat osteopathic diseases such as osteoporosis and fractures. Secondly, ammonia sugar also has a wide range of applications in the food field. Aminosaccharides can be used as food additives to improve the nutritional value, taste and texture of food. For example, aminosaccharides can be used as flavor additives to improve the aroma and taste of food; It can be used as emulsifier to improve the stability and taste of food. It can also be used as a preservative to extend the shelf life of food. Finally, aminosaccharides are also widely used in the chemical industry. Ammonia sugar can be used in the production of spandex, polyurethane and other polymer materials, which are widely used in textile, footwear, automotive and other fields. In addition, ammonia sugar can also be used in the production of dyes, coatings, cosmetics and other chemical products. In short, aminosaccharide is an important biomolecule, which has a wide range of applications in medical, food, chemical and other fields. With the continuous progress of science and technology, the application prospect of ammonia sugar will be more broad.