The basic elements of the enterprise visual identification (VI) symbol system are the carriers of the dissemination of the enterprise image, and the enterprise reflects the enterprise image through these carriers, which can be called the symbol system of the enterprise image. VI is a tight and complete symbol system, which is characterized by a clear "visual force" structure. So as to accurately convey the unique corporate image, through the display of differences, so as to achieve the purpose of corporate understanding and identification.