Broad-spectrum organophosphorus insecticides and acaricides have certain nematicidal effects, as well as stomach poisoning and contact killing effects, can penetrate into plant tissues, but have no systemic activity, and are harmful to cotton, grain, fruit trees and other crop pests (Berder, cotton bollworm, red spider, aphids), has a significant effect on underground pests Chemicalbook, plant nematodes, forest pine caterpillars, and has a duration of more than 2 weeks. role is particularly prominent. The acute oral toxicity LD50 of rats is 66mg/kg. Preparations are emulsifiable concentrate, granules, ultra-low volume liquid.