The purpose of the present invention is to provide an agrochemical preparation wherein a sulfamoyl compound such as cyazofamid and amisulbrom is chemically stabilized. The present invention relates to an agrochemical preparation which is characterized by containing (a) at least one sulfamoyl compound selected from among cyazofamid and amisulbrom (b) hymexazol and (c) at least one sulfonate salt selected from the group consisting of a olefin sulfonate salts and salts of naphthalene sulfonate formalin condensate.
