Fire disaster is a disastrous combustion phenomenon due to lost control of fire, usually including forest, building, oil fire and combustible gas and dust explosion. In all kinds of fire, building fire causes the largest and most direct harm to people's life and property because various buildings are the main places where people live and work and where wealth is highly concentrated. The harm of fire to people's life is not only limited to fire itself. The smoke, burning and falling off of burning things are all sources of damage. Through study of the fire characteristics and smoke of high-rise buildings, this article aims to find the fastest measure to put out the fire and save life and property.%火灾是火失去控制而蔓延的一种灾害性燃烧现象。通常包括森林、建筑、油类等火灾及可燃气体和粉尘爆炸。在各类火灾中，建筑火灾对人们生命财产的危害最大最直接，这是因为各种类型的建筑物是人们生产和生活的主要场所，也是财富高度集中的场所。而火灾对人生命的威胁并不拘于火灾本身，火灾造成的烟气，灼烧，以及火灾燃烧物的脱落等都是对人身造成危害的来源。本文通过对高层建筑火灾特点和火灾烟气的研究，研究如何达到最快的扑灭火灾，挽救人身和财产安全。
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