The antioxidant peptides, a kind of natural antioxidants, showed the superiority of application to medicine, food and feed. It have become the focus of oversea and domestic researchers because of its high safety and effective. In this review, the preparation and structure-activity relationship of the antioxidant peptides froru pro rein hydrolysates were summarized, the method of separation and purification were illuminated, structureactivity relationship was simply d...