An intelligent factory is a type of factory that utilizes technologies such as artificial intelligence, Internet of Things, and data analytics to achieve fully intelligent management of the manufacturing process. Smart factories can improve production efficiency and product quality, reduce costs, achieve intelligent management, and meet customer needs. In the future, with the further development of AI technology, smart factories will become an important force driving industrial development. In this article, we introduce some projects about intelligent factory in different field and the applications of low-carbon AI techniques.