本文通过对中外城市公共信息图形符号体系进行分析比较,论证了城市公共信息图形符号标准化的必要性。借鉴国际先进的公共信息传达系统,完善我国城市公共信息导向系统标准化体系,科学发展城市建设,是实施国家公共信息体系标准化战略、提升我国城市各项功能的必由之路。 In this paper, the author analyzes and compares the symbolic system of public information in Chinese and foreign cities, and demonstrates the necessity of standardization of urban public information symbol. It is the only way to implement the standardization strategy of national public information system and to enhance various functions of cities in our country by referring to the international advanced public information communication system, perfecting the standardization system of urban public information guidance system and scientifically developing urbanization in our country.