综述了已广泛应用于聚烯烃行业中聚乙烯和聚丙烯聚合用催化剂的研究进展,重点介绍了齐格勒-纳塔催化剂、茂金属催化剂、铬系催化剂、后过渡金属催化剂、复合型催化剂等催化剂研究方法及应用领域。全面阐述了齐格勒-纳塔催化剂研究趋势,总结了国内聚烯烃催化剂研究现状及应用情况。同时还论述了不同类型聚乙烯和聚丙烯新产品的聚合工艺及研究现状,重点说明了新产品的结构性能及其应用领域。最后展望了聚烯烃领域的某些可能发展方向。 The research progress of polyethylene and polypropylene polymerization catalysts which are widely used in polyolefin industry is reviewed. Ziegler-Natta catalysts, metallocene catalysts, chromium catalysts, post-transition metal catalysts and composite catalysts are reviewed Catalyst research methods and application areas. A comprehensive exposition of the Ziegler - Natta catalyst research trends, summarized the status of the domestic polyolefin catalyst research and application. At the same time, the polymerization technology and research status of different types of polyethylene and polypropylene new products are also discussed. The structural properties of new products and their application fields are highlighted. Finally, some possible developments in the field of polyolefins are forecasted.