Imidacloprid is a kind of nicotinic super effective insecticide, which has wide spectrum, high efficiency, low toxicity and low residue. After the pest contact with the drug, the normal conduction of the central nervous system is blocked, making it paralyze and die. The product has good rapidness and high control effect 1 day after the drug, and the residual period is about 25 days.There is a positive correlation between the drug effect and temperature. It is mainly used to prevent and control the pest of the piercing and sucking mouthparts.