Abstract: The TRIZ theory was used in the product innovation of disperse dyes. The invention patents over the years involving disperse dyes were analyzed, and then the model of complex formulation of disperse

dyes was constructed by the judgment of the evolution stage of the technology system of disperse dyes, and finally the specific methods of product innovation of disperse dyes were proposed.

Key words: TRIZ; disperse dyes; product innovation; complex formulation