To provide an oil-in-water type emulsion composition in which a mixed solution obtained when mixed with an infusion solution is transparent or semi-transparent and to provide a method for producing the same.SOLUTION: There are provided: an oil-in-water type emulsion composition which comprises a phospholipid, triglyceride, a nonionic surfactant and water, wherein the content rate of the triglyceride is more than 0.5 mass% and 20 mass% or less based on the total mass of the oil-in-water type emulsion composition, the mass ratio of the content of the nonionic surfactant to the content rate of the triglyceride is 0.4 to 2.5, the mass ratio of the content rate of the phospholipid to the content rate of the triglyceride is 0.05 to 0.7, the pH of the oil-in-water type emulsion composition is 7 to 10 and the average particle diameter of the emulsified particles is 100 nm or less； and a method for producing the same.SELECTED DRAWING: None【課題】輸液と混合した場合に得られる混合液が透明又は半透明となる、水中油型乳化組成物及びその製造方法の提供すること。【解決手段】リン脂質、トリグリセリド、非イオン界面活性剤、及び水を含み、トリグリセリドの含有率が水中油型乳化組成物の全質量に対して０．５質量％を超え２０質量％以下であり、トリグリセリドの含有率に対する非イオン界面活性剤の含有率の質量比が０．４～２．５であり、トリグリセリドの含有率に対するリン脂質の含有率の質量比が０．０５～０．７であり、ｐＨが７～１０であり、乳化粒子の平均粒子径が１００ｎｍ以下である、水中油型乳化組成物及びその製造方法。【選択図】なし
