Antibacterial packaging plastic film is a kind of new packaging materials, which can resist to microbial erosion, improve food shelf life, has become a research hotspot. In this paper, the effects of antibacterial plastic film, film preparation method, antibacterial mechanism, nano-modification, antibact-erial agent modification, liquid food antibacterial and antibacterial packaging plastic film were reviewed and discussed. It is prospective to the application and research direction of antibacterial packaging plastic film.