In the context of the intelligent transformation of the global manufacturing industry, the impact of the science and technology service industry on the innovation performance of intelligent manufacturing enterprises is becoming increasingly significant. Through a comprehensive analysis of relevant research, this paper analyzes the impact of the science and technology service industry on the innovation performance of intelligent manufacturing enterprises from two aspects: knowledge supply and intermediary platform. And it puts forward strategies to promote the science and technology service industry to improve the innovation performance of intelligent manufacturing enterprises. It analyzes how to promote the innovation performance of intelligent manufacturing enterprises from aspects such as optimizing the innovation environment, strengthening collaborative innovation, improving talent cultivation, and building an innovation ecosystem, providing theoretical support and practical guidance for the improvement of innovation performance.