Jelly is a kind of Western sweet food. It is made of edible gelatin, water, sugar and juice. Also known as gel, its appearance is crystal clear, its color is bright, and its taste is soft and smooth. Jelly also contains pudding. The main nutrients are a small amount of vitamins, sugars and a small amount of minerals. Jelly is a delicious food made from water, white granulated sugar, carrageenan, konjac powder, sodium alginate, etc. through sol, mixing, filling, sterilization, cooling and other processes. Carrageenan, also known as carrageenan and carrageenan, is a natural polysaccharide colloid extracted from natural Eucheuma and other seaweeds. It has the basic characteristics of soluble dietary fiber and is a safe thickener approved for use in various foods in China. Konjac is a kind of herb, while konjac powder is a powder product extracted through deep processing. The main component of konjac powder is glucomannan, It is a safe food ingredient approved by China. Moreover, carrageenan, konjac powder and other gum powder in the jelly accounted for about 1%, accounting for about 5% of the total cost.