The fine water mist fire extinguishing system is a type of portable device that can be carried on the back, by hand, or dragged. It can spray water or fine mist over short or long distances during continuous firefighting operations. It is suitable for extinguishing early-stage fires, such as forest fires, or can be installed on various vehicles. The fire extinguishing system is particularly suitable for towns, communities, shopping malls, and other crowded places, or can be installed on various security patrol vehicles.