With computer technology and network technology evolves constantly, the interaction between man and machine becomes more and more frequent, a good interface puts up a bridge to both of them. Interface design should not only convey information to users, but also should make the users enjoy it. Firstly, this paper will describe the information conveying, and then discuss the three important elements (communicators, recipient and visual effects) of information conveying in detail, finally introduce the applications of elements of information conveying in interface design. The development of information communications industry make the research on elements of information conveying based on interface design more and more important.