Gelatin can be divided into four categories according to its use: photographic, edible, medicinal and industrial.As a thickener, edible gelatin is widely used in the food industry to add jelly, food coloring, high-grade gummy candy, ice cream, dried vinegar, yogurt, frozen food, etc.In the chemical industry, it is mainly used as raw materials for the production of bonding, emulsification and advanced cosmetics.

Gelatin is a hydrophilic colloid, which has the properties of a protective colloid, and can be used as a stabilizer and emulsifier for hydrophobic colloids.Gelatin is also an amphoteric electrolyte, so it can condense charged particles into pieces in an aqueous solution and be used as a clarifying agent for alcohol and alcohol.