Cold fog fountain using high-pressure fog system will be purified water to 1-15 micron (0.001mm) form of a fine mist spray, like natural fog floating in the air, Yizhenyihuan, people such as in Wonderland, relaxed and happy. Spray produced a large number of negative ions, can make the air fresh and moist, change the local microclimate, fog in the rapid evaporation of heat absorption, to cool down, landscaping, air purification effect. Artificial fog is widely used in the natural landscape and environmental landscape. It is mainly used in parks, stage, leisure places, fountains and other places.