Bromius obscurus （Linnaeus）was used as the research object，investigation on the occurrence of Bromius obscurus on Actinidia argute was carried out，and the prevention and control effects of chemical pesticides were studied to prevent and control Bromius obscures.The results showed that 5% high chlorine flucythrinate and 2.5% of high chlorine cypermethrin had good control effects on Bromius obscurus.