Plant frost damage is one of the major natural disasters in the world in the field of agriculture;especially in the field of fruit production(apricots,plums,pears,cherries,grapes,walnuts,etc.),causing serious economic losses.Wide range of late frosts is a complex process,affected by strong cold air flow,intense radiation cooling and other factors,causing a lot of difficult to prevent and control it.Many frost prevention technologies at home and abroad have failed as a mature technology in the production.