gelatin is widely used to manufacturing marshmallows, toffee, protein sugar, cotton candy, fruit juice, candy and other sweets. Gelatin with a water-absorbent and supporting the role of the skeleton, gelatin particles dissolve in water, they would attract each other, intertwined to form a complex network structure, and with the temperature drop and cohesion, so completely full of sugar and water within the voids in the gel, so that the soft candy can maintain a stable form, even if the load does not bear a greater deformation.