Introduction Elastase is a single peptide chain composed of multiple amino acids. It can promote the digestion and decomposition of proteins in connective tissue, including binding peptide bonds and water decomposition. It also has obvious protease chemical book effect. It can activate phosphatase, reduce cholesterol in blood, and improve blood lipid and serum, And then can reduce the density lipoprotein in the blood, which can increase the body's blood circulation, increase the elasticity of blood vessels.