The present invention describes the crystalline form of indoxacarb of formula (I), the crystal preparation process, the analyses of the crystal through various analytical methods and using the crystal to prepare stable agrochemical formulation. The invention also describes the use of various solvents towards the crystalline form preparation conditions.本發明描述了式(I)因得克的結晶形式、晶體製備方法、藉由各種分析方法對該晶體進行的分析以及使用該晶體製備穩定的農用化學品製劑。本發明還描述了針對結晶形式製備條件來使用各種溶劑。