在城市导视系统中,一套清晰合理的图标能够直观地提供给人们正确的信息。本文重点介绍了国外具有代表性的图标设计范例,并从图形的基本功能出发阐述了图形设计的关键问题。 In the city guide system, a set of clear and reasonable icons can provide people the correct information intuitively. This article focuses on a representative example of icon design in foreign countries and explains the key issues of graphic design from the basic functions of graphics.