This paper aims to explore the main expression and application of emotionalized factors in interactive interface design. In the current era, the appearance of interactive interface influences people's real life, and people upgrades from simple intelligent products to more interesting interactive interface. In this paper, starting from the reality, according to the characteristics of the interaction design and emotion playing an important part in people's life, the emotional factors in the design of interactive interface are summarized, and the emotional requirements of interactive interface design are analyzed. It discusses the application and performance of emotion in interaction design of mobile phone interface, APP advertising interface and intelligent vehicle rearview mirror interface from three aspects of vision, use and reflection, and summarizes relevant application strategies. The integration of emotional factors in interactive interface design can make users feel unique experience in the process of use. It can not only easily realize the collection of all functions, but also meet the purpose of users' emotional needs. It is an effective way to establish the product image and social status.