Gadobenate dimeglumine injection composition and preparation method thereof

The invention discloses a gadobenate dimeglumine injection composition, which consists of gadobenate dimeglumine, meglumine and injection water. Other regulating agents and organic solvents do not need to be added. By regulating the proportion of the meglumine to the gadobenate dimeglumine, the gadobenate dimeglumine is sufficiently dissolved; and a stable medicine composition is formed. The invention also provides a method for preparing the gadobenate dimeglumine injection composition. The gadobenate dimeglumine injection composition provided by the invention has high stability, is suitable for industrial mass production, and can meet the clinic medication requirements.