This document discusses how the emerging technologies of Industry 4.0 can be applied in the field of mechanical engineering. It covers topics like the internet of things, industrial internet of things, cloud manufacturing, cyber physical systems, big data analytics, augmented reality, and artificial intelligence. For each technology, the document discusses the meaning, characteristics, and potential applications for mechanical engineers, such as using IoT to monitor industrial equipment, using AR for remote assistance, and leveraging AI for predictive maintenance. The conclusion notes benefits like innovation, mass customization and cost reduction, as well as challenges to applying these new technologies in mechanical engineering.