Silk peptide is a polypeptide composed of serine and serine, also known as serine peptide. Silk peptides have important physiological functions in vivo, including protein synthesis, cell signaling, and immune regulation. Silk peptide also has antioxidant, anti-inflammatory, antibacterial and other biological activities. It is also widely used in the fields of medicine and beauty. In conclusion, silk peptide is an important bioactive substance, which has many physiological functions and application value. With the deepening of the research of silk peptide, it is believed that its application in the field of medicine and beauty will be more and more extensive.