Abstract: Bacteriophage are bacterial parasites,and the use of phage as therapeutics to treat bacterial infection effectually,particularly in an era where antibiotic resistance has become so problematic. Bacteriophagic therapy will educt positive effect in bacterial infection with further research of phage. The progress in research on antisepticize mechanism,advantage as therapeutics,research of treatment bacterial infection and research of phage lysins were reviewed in this article.

Key words: bacteriophage; bacterial infection; bacteriophage lysins; therapeutic agent