Pesticides, the world’s unified English called pesticide – that is, “kill the drug”, but in fact the so-called pesticides refers to the use of pest control for the prevention of agriculture, forestry and animal husbandry production of pests (pests, pests, nematodes, Grasses and rats. Later, through the longer-term development of the production and life process, gradually recognize some of the natural control of pests in agriculture and animal husbandry performance to 17 categories, etc.) and regulate the growth of plants and chemical drugs and biological drugs. Various additives for hygienic and improved physical and chemical properties of active ingredients are also included.