It is by means of water pump and pipeline system or the difference of natural water source, to spray water with certain pressure into the air, dispersed into small water droplets or form mist to land on plants and on the ground. It is suitable for almost all dry crops, such as cereals, vegetables, fruit, herbs and so on. And suitable for plain, apply to mountain, strong permeability of the soil, the weak soil permeability. It can irrigate crops to be irrigated gardens, flowers, grass, and can be used to spray fertilizer,pesticides, frost, heatstroke,etc.