Kind of Complex Fangwei Sheng injection pharmaceutical compositions and methods of preparation

The present invention discloses a complex injection Fangwei Sheng pharmaceutical compositions and methods of preparation, the pharmaceutical field. Kind of Complex Fangwei Sheng injection pharmaceutical compositions, the active ingredient is vitamin unit formulations B110mg, Riboflavin and riboflavin vitamins meter 5mg C200mg. Advantage of the present invention are: pH stability, pH variation value is small, the content of main drug stability, less related substances, simplifying the process and shorten the time of dosing, reduce the difficulty of the operation.