Caffeic Acid is a polyphenol compound widely distributed in many traditional Chinese medicinal plants, such as Artemisia annua, Safflower, and Lonicera japonica. It has a variety of pharmacological effects, including cardiovascular protection, anti-mutagenesis and anti-cancer, anti-bacterial and anti-viral, lipid-lowering and blood sugar-lowering, anti-leukemia, immune regulation, choleretic and hemostatic, and anti-oxidation. It also has a wide range of applications in the cosmetics industry.