Pesticide dispersible oil suspending agent as well as preparation method and application thereof

The invention discloses a dispersible oil suspending agent and a preparation method and application thereof, and relates to the field of pesticides, the dispersible oil suspending agent comprises the following raw materials by weight: 5-35% of atrazine, 5-30% of 2-methyl-4-chloro-isooctyl, 1-10% of topramezone, 1-5% of a dispersant, 5-20% of an emulsifier, 1-5% of a rheological agent, 0.1-5% of a stabilizer, 0-10% of other auxiliary agents, and 15-65% of a dispersion medium; the dispersant comprises at least one of an EO/PO block copolymer, phosphate, a polyurethane block copolymer and a sulfonate polymer dispersant; the emulsifying agent is prepared from at least one of castor oil polyoxyethylene ether, fatty alcohol-polyoxyethylene ether, oleic acid polyoxyethylene ether, sorbitan alcohol acid potassium monooleate polyoxyethylene ether and calcium dodecyl benzene sulfonate; the stabilizer is an alkaline compound. The dispersible oil suspending agent solves the problems of poor stability and high cost of the