The early inhibitive closed sprinkling fire control system with nozzles of fast action, automatic fire gun system and automatic water jet system might be very applicable for big-space buildings and a synoptic description of these three are given in this paper. 并简单介绍了适用于大空间建筑的应用快速响应早期抑制喷头的闭式喷水灭火系统、自动消防水炮系统和自动水枪装置。