The present invention relates to a kind of method that is used for metal oxide coated solid water insoluble granule material, described method comprises: (a) solid water insoluble granule material is contacted with aqueous medium with ionic additive so that obtain dispersion at its positively charged described particulate matter in surface (b) thus described particulate matter is carried out the particulate matter that painting process obtains to be coated with coating of metal oxides, described painting process comprises precipitates to form metal oxide layer thereon metal oxide salt on described particulate matter surface (c) step (b) is repeated 4 times more at least (d) make described coating aging.The invention still further relates to the particle that comprises the particulate matter that is coated with metal oxide layer, described particle is used for the application of local application and uses described particle to prevent, reduce or eliminate the method for the pest in the zone.
