The basic element system of VI design strictly stipulates the logo, Chinese and English characters, standard colors, corporate logo patterns and their combination forms, which fundamentally standardizes the basic visual elements of enterprises. The basic element system is the core part of corporate image, which mainly includes: corporate name, corporate logo, corporate standard words, standard colors, symbol patterns, slogans and mascots. VI design in English is Visual Identity (or VI for short), that is, corporate VI visual design, which is an important part of corporate VI image design, transforming the non-visual content of CI into static visual identification symbols. The main task of enterprise VI design is to help the public store and extract brand image through the spread of beautiful symbols. In short, VI design can build a complete and systematic visual expression system with the help of core elements such as logo, text and color. In this system, professional VI designers will extract image symbols that can enhance the audience's memory in an abstract way according to the business culture, business philosophy and corporate image of the enterprise. According to different enterprises to create their own unique image logo, enhance the marketing promotion of enterprises, which is what we call VI design.