Cypermethrin is also known as Cymbush, Ripcord, Arrivo and Cyperkill. Industrial products are yellow to brown viscous solid and viscous liquid at 60℃. Stable against light, slow weight loss at temperature greater than 220℃, stable under neutral conditions in weak acid, alkali decomposition, hydrolysis half-life of 1 day. Cypermethrin is a moderately toxic insecticide, which acts on the nervous system of insects and disrupts the nervous function of insects by interacting with sodium channels. It has tentacidal and gastric toxic effects, and has no endoinhalation. Wide insecticidal spectrum, rapid pharmacological Chemicalbook, stable to light and heat, has a killing effect on the eggs of some pests. The control effect of this drug on organophosphorus resistant pests was good, but the control effect on mites and miridae was poor. The drug has a long residual effect period and is safe to crops when used correctly. Can be used in public places to control flies, cockroaches, mosquitoes, fleas, lice and bedbugs and many other health pests, but also to control livestock parasitic ticks, mites, etc.. In agriculture, it is mainly used for controlling insect pests such as coleoptera, lepidoptera, orthoptera, diptera, hemiptera and homoptera on alfalfa, cereal crops, cotton, grape, corn, rape, pear, potato, soybean, sugar beet, tobacco and vegetables.