Sericin is a type of spherical protein that can be isolated from silk cocoons. Sericin is a cognitive enhancer and pain reliever. Sericin is a fetal bovine serum- or DMSO-replacing cryoprotectant agent. Sericin reduces oxidative stress and reactive oxygen species (ROS) . Sericin can repair wounds by producing collagen. Sericin has antioxidant, anti-diabetic, anti-hyperlipidemic, anti-inflammatory, skin moisturizer, wound healing, antibacterial, antimicrobial, and anti-tumor protector[1].