There is provided an emulsion composition useful as a preparation containing an active agrochemical compound. The emulsion composition essentially consisting of 0.5 to 25% by weight of one or a plurality of hydrophobic active agrochemical compounds； 5 to 15% by weight of one or a plurality of surfactants； 2 to 60% by weight of one or a plurality of aromatic hydrocarbon solvents； 2 to 60% by weight of diethyl oxalate； 12 to 90% by weight of 1,3-dimethyl-2-imidazolidinone； and 0 to 5% by weight of one or a plurality of formulation auxiliaries, wherein a weight ratio of 1,3-dimethyl-2-imidazolidinone and the aromatic hydrocarbon solvent(s) is 1 : 0.03 to 1 : 2.0, and a weight ratio of 1,3-dimethyl-2-imidazolidinone and diethyl oxalate is 1 : 0.03 to 1 : 2.0.
