Pyraclostrobin-containing water emulsion pesticide and preparation method thereof

The invention relates to pyraclostrobin-containing water emulsion and a preparation method thereof. When the content of the raw pyraclostrobin is 95 percent, the weight percentage of the raw pyraclostrobin in the water emulsion preparation is 10 to 40 percent; and assistants comprising emulsifier, co-emulsifier, solvent, anti-freezer, cosolvent, stabilizer, 0.1 to 2 percent of antifoaming agent, thickening agent, pH regulating agent and deionized water for complementing the balance to 100 percent account for the balance. The water emulsion is prepared through processes of mixing, high-speed stirring and the like. The water emulsion not only has the same pesticide effect as missible oil, but also has the advantages of saving the solvent, having little environment pollution and the like compared with the missible oil, the water emulsion.