In the digital age,the display of product design is no longer limited to static pictures or models,but gradually turns to digital display. Digital display can present the design works more intuitively,and interact with users through a variety of interactive means,so that the design concept can be more vividly conveyed. Interaction design plays a key role as an important component of digital display. It not only determines how users perceive and understand the design,but also directly affects user engagement and satisfaction. The interaction design in the digital display of the research product design works can enhance the user experience,and provide a new idea for the promotion and application of the product design.