Requirement 1: an agricultural formulation comprising: at least one specific insecticide of pyrethroid and neonicotine； and at least one selected polydispersing agent from the pyrethroid copolymer group, Copolymers of vinyl acrylate and polyvinyl chloride. 13. Claim 2: statement of claim 1: new nicotine was selected from the group of clotianidinidine, imidaclopid, tiametozam, dinotefuran, nitenpiram and tiacloprid. Claim 4: claim 1,There, pyrethroids were selected as a group consisting of bifendrin, z-cypermethrin, b-cypermethrin, Cypermethrin, Cypermethrin, g-cihalatina, tranamithrin, ciflutrina, b-ciflutrina, sphygmomanometer, fludiazepam and natural pyrethroids. Claim 9: Agricultural formula, including: at least one specific insecticide composed of pyrethroid and new nicotine； at least one polymer pyrethroid composed of polymer pyrethroid copolymer composed of pyrethroid； 3. Acrylic acid ion copolymer and PVC copolymer；At least one liquid fertilizer. 11. Claim 11: a method for protecting crops, including: (a) mixing the expression of claim 1 with liquid fertilizer, (b) mixing the expression of claim 1 with liquid fertilizer to a plant or an area where the plant intends to grow.Reivindicación 1: Una formulación agrícola que comprende: al menos un insecticida seleccionado del grupo que consiste en piretroides y neonicotinoides； y al menos un dispersante polimérico seleccionado del grupo que consiste en copolímeros aniónicos de carboxilato poliacrilato, copolímeros aniónicos de ácido acrílico estireno y copolímeros de polivinilpirrolidona. Reivindicación 2: La formulación de la reivindicación 1, donde el neonicotinoide se selecciona del grupo que consiste en clotianidina, imidacloprid, tiametoxam, dinotefurán, nitenpiram y tiacloprid. Reivindicación 4: La formulación de la reivindicación 1, donde el piretroide se selecciona del grupo que consiste en bifentrina, z-cipermetrina, b-cipermetrina, cipermetrina, deltametrina, permetrina, l-cihalotrina, g-cihalotrina, tral
