This paper introduced the technical performance and characteristics of special polystyrene exterior insulation system, emphatically dis-cussed the application and benefits of special polystyrene exterior insulation system, elaborated the advantages of special polystyrene exterior in-sulation system in reducing heating and cooling costs and reducing the environment burden.%介绍了特种聚苯乙烯外墙外保温系统的技术性能及其特点，重点论述了特种聚苯乙烯外墙外保温系统的应用及获得的效益，阐明了特种聚苯乙烯外墙外保温系统在降低取暖和降温成本以及减轻环境负担方面的优势。
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