Sausage is a kind of fast food that is very popular among consumers, and the processing of sausage is inseparable from the casing. The casing has a great influence on the shape, taste, color, and taste of the sausage. Therefore, the performance of the casing is very important for sausage processing. Structure and Characteristics of Cellulose Casing 1. Material of Cellulose Casing Cellulose casings are generally regenerated natural plant cellulose, and the regenerated natural plant cellulose generally has a layered structure, and certain strength and elasticity can be obtained by cross-linking multiple layers of regenerated cellulose molecules into a network