A method of producing a suspended agricultural chemical composition, includes the steps of: grinding an agricultural chemical active ingredient mixing at least water, a polyalcohol, a mineral salt, and a surfactant to produce a solution adding to the solution the ground agricultural chemical active ingredient and a suspension stabilizer, to produce a mixture heating the mixture to 40 to 70° C. while stirring cooling the heated mixture to 10 to 25° C. and wet-milling the cooled mixture at 30° C. or below. Alternatively the method includes the steps of: grinding an agricultural chemical active ingredient mixing at least water, a polyalcohol, a mineral salt, and a surfactant to produce a solution adding to the solution the ground agricultural chemical active ingredient and a suspension stabilizer to produce a mixture wet-milling the mixture heating the wet-milled mixture to 40 to 70° C. while stirring and cooling the heated mixture.