This paper aims to explore the importance of object sense design in mobile terminal icons, what are the object sense design methods for mobile terminal interface icons, and analyze what factors create the object sense in icons, what kind of psychological experience does object sense have on the overall performance of the interface, what kind of psychological experience does it bring to users, and what kind of power does object sense have on mobile application brand image building. The object sense of mobile terminal icons with different styles are analyzed, the object sense characteristics of different style icons are explored, and the new mimicry 3D icon and glass mimicry, two emerging icon styles are focused on. Object sense of the mobile terminal interface icon is very important part of the content. It is mainly composed of function mapping, qualitative simulation, synaesthesia, light texture four aspects shape. Object sense is not only the vocabulary of form icon style factor, but also important force in the brand essence build mobile applications, it is the existence of the sense of something makes the style of the icon become rich and colorful with a variety of experience.