高层建筑困现有消防装备的限制，其防火设计应立足于自救，且应以室内消防设施为主。水，作为主要的灭火剂已被广泛采用，尤其是自动喷水灭火系统因其灭火效率高、二次水灾害小而被广大设计人员所青睐。为了达到迅速灭火的目的，有关规范对室内消防供水系统的水量和水压均做了 High-rise buildings sleepy existing fire equipment restrictions, the fire protection design should be based on self-help, and should be mainly indoor fire-fighting facilities. Water has been widely used as a main extinguishing agent. In particular, sprinkler systems are favored by designers due to their high extinguishing efficiency and small secondary water disasters. In order to achieve the purpose of rapid fire extinguishing, the relevant norms on the indoor fire water system water pressure and water pressure are done