Abamectin can kill mites and insects, but not eggs. The mechanism of action is different from the general insecticide is to interfere with neurophysiological activities, stimulate the release of γ -aminobutyric acid, and aminobutyric acid on arthropod nerve conduction inhibition. Adult mites, nymphs and insect larvae show paralysis after contact with avermectin, do not move or feed, and die in 2 ~ 4 days.