本文主要介绍世博会中国馆消防排烟设计,其中包括合理划分防火分区、防烟分区,确定排烟方式(自然或机械)及排烟气流组织,确定排烟量及补风措施。对于世博会中国馆众多的展览大空间的消防设计,在确保安全和合理的原则下,采用了性能化设计方法进行。 This article mainly introduces the fire exhaust design of Expo China Pavilion, which includes the rational division of fire prevention zones, smoke prevention zones, the determination of exhaust mode (natural or mechanical) and exhaust airflow, and the determination of the amount of exhaust air and measures for wind recovery. For the Expo China Pavilion large exhibition space fire design, to ensure the safety and reasonableness of the principle, the use of performance-based design methods.