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 propylene glycol diacetate； 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 propylene glycol diacetate is 1 : 0.03 to 1 : 2.0.本發明提供一種乳劑組成物，其可當作含有活性農用化學品化合物的製劑。該乳劑組成物基本上由0.5至25重量%的一種或多種疏水性活性農用化學品化合物；5至15重量%的一種或多種界面活性劑；2至60重量%的一種或多種芳香族烴溶劑；2至60重量%的丙二醇二醋酸酯；12至90重量%的1,3－二甲基－2－四氫咪唑酮；及0至5重量%的一種或多種調配助劑組成，其中1,3－二甲基－2－四氫咪唑酮與該芳香族烴溶劑的重量比為1：0.03至1：2.0，而且1,3－二甲基－2－四氫咪唑酮與丙二醇二醋酸酯的重量比為1：0.03至1：2.0。
