火灾严重威胁着人们的生命财产安全,建筑内的防火阻火技术对预防火灾发生和阻止火势蔓延具有重要作用。本文介绍了建筑物内的一些防火阻火技术,如阻火堵料的使用,聚氯乙烯管道阻火圈技术、机械隔火器,防火喷涂技术等,并对我国防火阻火技术现状进行了分析,提出了完善建议。 Fire serious threat to people’s lives and property safety, fire retardant technology within the building to prevent the occurrence of fire and prevent the spread of fire plays an important role. This paper introduces some fire retardant technology in the building, such as the use of fire blocking material, PVC pipe fire ring technology, mechanical fire extinguishers, fire spraying technology, etc., and analyzed the status quo of fire retardant technology in our country , Made a sound proposal.