Abstract: Application experiment had been done at Jiuba floating nursery base in Tongzi county tobacco company of Zunyi city in Guizhou province.And it proved that electrostatic disinsection lamp had good effect on trapping insects.Results showed that electrostatic disinsection lamp could significantly reduce number of pest populations in the nursery room，especially it had apparent effect on saprophytic tiny flying insects and prodenia lituras.Results also verified that electrostatic disinsection lamp could cause bad damage，because the lights had light trapping function and color trapping function，the color and light could lure insects into the nursery room.Application of electrostatic disinsection lamp must be sure that fly nets and pest quarantine facilities were in good condition.