Thiacloprid acts on the post-conjunction membrane of insect nerves, interfering with the normal conduction of the insect nervous system, causing blockage of nerve channels, causing the insect to be abnormally excited, causing convulsions, paralysis and death. Deltamethrin produces neurotoxicity by regulating sodium ion channels in insects and kills insect pests. This product has a good control effect on tea tree green leafhoppers.