PROBLEM TO BE SOLVED: To provide, by a simple method, an agrochemical solid preparation with improved storage stability comprising an organophosphorus-based agrochemical active ingredient and a neonicotinoide-based agrochemical active ingredient.SOLUTION: The agrochemical solid preparation with stabilized agrochemical active ingredients comprises (a) the organophosphorus-based agrochemical active ingredient, (b) the neonicotinoide-based agrochemical active ingredient and (c) a saccharide.COPYRIGHT: (C)2008,JPO&INPIT【課題】簡便な方法によって、有機リン系農薬活性成分とネオニコチノイド系農薬活性成分とを含む、保存安定性の向上した農薬固形製剤を提供すること。【解決手段】(a)有機リン系農薬活性成分、(b)ネオニコチノイド系農薬活性成分および(c)糖類を含有することを特徴とする、農薬活性成分の安定化された農薬固形製剤。【選択図】なし