The agent has the characteristics of touch killing, gastric toxicity, strong root suction, high quick effect, long efficacy period of 4-8 weeks (43 days of theoretical efficacy), and wide insecticidal spectrum, and has excellent control effect on thorn suction device pests, and shows high insecticidal activity at a very low dose. It is mainly used for the control of aphids, leafhoppers, planthoppers, thrips, mildew, and their resistant strains in wheat, rice, cotton, vegetables, fruit trees, and tobacco, and is also efficient for coleoptera, diptera, lepidoptera and homoptera pests, and for sanitary pests such as cockroaches, termites and house flies.