This paper investigates the transformation and upgrading of traditional manufacturing industries to intelligent manufacturing.Intelligent manufacturing is the main trend in the era of Industry 4.0,which achieves digitization,networking,and intelligence of manufacturing plants through technologies such as digital twins,Cyber-physical systems,and smart fac-tories.This deep integration promotes technological innovation in the industry,especially the application of big data and in-telligent collaboration,enabling manufacturing to achieve more efficient business process collaboration.