The invention provides an active red dye composition which mainly comprises 0.1-99% of by weight of one or more than one component A represented by the structural formula (I), 0.1-99% of one or more than one component B represented by the structural formula (II) and 0.1-99% of one or more than one component C represented by the structural formula (III) by mass. When being used for dyeing cellulose fiber, polyarmide fiber and fabrics thereof, the active red dye composition has the advantages of high dye uptake rate and color fixation rate and good lifting property, leveling property and dyeingstability, and various dyeing properties are excellent.