Thiamethoxam is a neonicotinoid insecticide with contact killing, stomach poisoning and systemic effects, which can be quickly absorbed by plants and then conducted to the top through the xylem. Its mechanism of action is to stimulate nicotinic acetylcholine receptors and affect the synapses of the central nervous system of pests. This product is the raw material for the processing of pesticide preparations and shall not be used in crops or other places.