As a big agricultural country, China has 1.8 billion mu of basic farmland, and according to incomplete statistics, China's grain planting area has been maintained at 100,000 thousand hectares. A large number of agricultural plant protection operations are required every year. How to improve the efficiency of agricultural plant protection operations? The Ministry of Agriculture and Rural Affairs proposed to vigorously support the development of a professional service organization for plant protection, and issued a notice on "2019 Agricultural and Rural Green Development Essentials", requesting continued promotion of chemical fertilizer reduction and efficiency gains, and continuous promotion of pesticide reduction and efficiency gains; Professional service organizations, improve the organization of prevention and control, strengthen demonstration and guidance and technical training, and improve the coverage of unified prevention and control and technology availability.