The invention discloses a red disperse dye composition. The composition is composed of a dye disclosed as a chemical formula (I), any one or two dyes disclosed as a general formula (II), and a dispersant A, or formed by adding any one or two assistants disclosed as a general formula (III) on the basis of the previous composition. Compared with the dye disclosed as the chemical formula (I), the dye composition disclosed by the invention has obvious deeper and brighter dyeing effect, and widens the pH value adaptability of the dye.