目的 介绍聚乳酸抗菌复合膜用于食品包装上的研究进展，分析不同抗菌剂的作用机理及优缺点，对抗菌性聚乳酸膜在包装上的应用和发展进行展望。方法 介绍了聚乳酸抗菌复合膜的制备方法，总结了国内外聚乳酸抗菌复合膜的研究现状，分析其作用机理，讨论了其应用和发展。结果 聚乳酸抗菌复合材料对常见食品污染菌有良好的抗菌效果，能有效延长食品的保存期限，用于食品包装上将有很大的潜力。结论 聚乳酸抗菌复合材料应用于食品包装上，绿色环保无污染，有非常广阔的发展前景，目前聚乳酸抗菌材料的研究还比较传统和单一，还需向更加高效、安全、环保的方向进行深入研究。

The work aims to introduce the research progress of antibacterial polylactic acid composite film used in food packaging, analyze the mechanism of action and advantages and disadvantages of different antibacterial agents, and prospect the application and development of antibacterial polylactic acid film in packaging. The preparation method of PLA antibacterial composite membrane was introduced; the research status of PLA antibacterial composite membrane at home and abroad was summarized. Its mechanism was analyzed, and its application and development were discussed. The result showed that the antibacterial composite material of PLA had good antibacterial effect on common food contamina-tion bacteria and could effectively prolong the preservation period of food. It has significant potential in food packaging. The application of PLA antibacterial composite material in food packaging is green, environmentally friendly and pollution-free, and has a very broad development prospect. At present, the research on PLA antibacterial material is relatively traditional and single. Its further research should be conducted in the direction of being more efficient, safer and more environmentally friendly.