Glutathione peroxidase is an important enzyme for the decomposition of peroxides present in the body, usually a trace element in food with great benefits to the human body. Glutathione peroxidase is a highly functional reductase with the ability to scavenge oxygen free radicals in the body and prevent lipid peroxidation, which has a very good effect on the protection of cardiovascular and cerebrovascular health. Glutathione peroxidase has a certain effect on the function of endothelial cells of new blood vessels and neurotransmitter function of cerebrovascular, promoting their healing and repairing their damage. Glutathione peroxidase has a certain effect on the protection of liver and the detoxification and protection of liver against the generation of excessive oxygen radicals, and its antioxidant effect has a certain effect of delaying cell aging.