The integration and interactive development of productive service industry and manufacturing industry is an inevitable result of "service-oriented manufacturing" and "service industry industrialization", and it is also the only way for China to develop high-end manufacturing and modern service industry. This article provides an in-depth explanation of the trend and mechanism of the integration and interaction between the productive service industry and manufacturing industry in China and selects typical cases to analyze the problems in the current integration and development of the productive service industry and manufacturing industry. It also proposes countermeasures and suggestions on how to better promote the interaction and integration of the productive service industry and manufacturing industry.