Fish skin is rich in nutrients such as collagen, mucopolysaccharides and vitamin E, which can supplement the body’s needs. Fish skin is the skin of fish, which is rich in nutrients. The proteins in fish skin are mainly large molecules of collagen and mucopolysaccharides. Collagen is very rich in collagen, which is rich in glycine, proline and hydroxyproline, etc., and its hydrolyzed products contain physiologically active peptides. Compared with the skin of other terrestrial animals, fish skin has a mild fishy flavor, low antigenicity, hypoallergenic, and very low cholesterol content, which makes it a good source of collagen intake. In addition, fish skin also contains vitamin E. Consuming fish skin in moderation can replenish nutritional needs. A balanced diet is recommended, and any food should not be consumed in excess to avoid burdening the digestive system. In case of allergy and other discomforts after consumption, you should seek medical advice immediately.