In the information age, China's Internet technology has developed rapidly and is widely used in all areas of life. He also played an important role in the design and manufacture of industrial machinery, which advanced the development of China's manufacturing industry. With the increasing demand for the development of China's industrial sector, it is necessary to deepen the use of Internet of Things technology in production to accelerate the technological innovation and technological process of China's industrial sector. Starting with the specifics of Internet of Things technology, this article briefly describes its applications in engineering and manufacturing.