Nowadays, the production mode of enterprises is gradually changing from mass production to small-batch and personalized manufacturing. The digital twin model of a product can reduce the time taken in the process of design and production, meet the needs of customer customization, and manage the whole life cycle of a product to improve the response speed to market demand, conducive to the growth of social and environmental benefits. Based on the above case analysis, this paper presents the following three suggestions on how to use digital twin to innovate the sustainable business model: