The work aims to facilitate the digital transformation of time-honored brands, construct a digital transformation strategy for brands in the context of AIGC, enhance the market competitiveness, and optimize the consumer experience. Through case analysis and TOE framework analysis, an objective analysis was conducted on the digital technologies, organizational structures, and development environments required for the digital transformation of time-honored industrial brands in Tianjin. The role of AIGC in the digital transformation of brands was summarized through case analysis, and its applicability and limitations were explained. The relationship between digital technologies and the innovation of time-honored brands in Tianjin was analyzed through the TOE framework. Combined with the digitalization achievements and case analyses of century-old brands in China and abroad, a digital transformation strategy for time-honored brands in Tianjin was proposed based on AIGC technology to provide references for other brands. Digital transformation is an important development opportunity for time-honored brands in Tianjin. It can not only enhance their own strength and competitiveness, but also bring better experiences and services to consumers, thereby enhancing the influence of China's outstanding traditional brands.