This paper discussed some key matters of urban public-geographical information standardization. It mainly analyzed the object and scope of urban public-geographical information that represents the characteristics of multi types, complex, connectivity and dynamics. Based on that, the rules for classification and code representation are constructed. According to such regulations to form category index system, and code sheet as well as coding system, which will provides a base for the fully using of intelligent management methodologies, to collect, deal, query, index, analyze, manage and share the urban public-geographical information.