Along with the advent of resistance to antibiotics,the development of new antimicrobial agents is a matter of great urgency.The special antibacterial mechanism of antibacterial peptide doesn't make bacteria to become resistant easily.Antibacterial peptide is a kind of minor polypeptides which widely distributed in organism with multi-bioactivity.The studies on the antimicrobial peptide drew more and more attention.This paper gave a review to the research of antimicrobial peptides,including source,classification,...