The invention relates to the technical field of medicines, and particularly relates to a multi-component injection and preparation processes and applications thereof. In the present invention, the effective ingredients of safflower carthamus. Red Paeony Root, Ligusticum wallichii, radix salviae miltiorrhizae and Angelica sinensis are analyzed and a multi-component injection is prepared via the modern pharmaceutical preparation technology. The study proves that the multi-component injection of the invention has therapeutic effects on Sepsis.