| Urban placenames is one of important ways to convey rich urban cluture, the emergence and development of urban placenames is closely related to the urban geographical environment, politics, history, culture, economy and so on, it record history and reflect culture and urban characteris of the city. With the rapid development of urbanization, the urban population rapidly increasing, urban area is expanding, all kinds of urban facilities increased, subsequently, there are more and more new urban placenames, therefore, the naming of placenames and planning is becoming more and more attention. In the process of naming and changing of urban placenames, should not only to protect urban historical placenames, but also the naming of new roads, residential areas, buildings, reflect the urban culture and urban characteristics. The study of naming and evolution of placenames of nanning city, not only to better understand the culture and social economic development of the city,you can also provide theories about placenames in naming, changing, planning and so on.Nanning city, as an example, used the methods of statistics, maps, kernel density estimation, to card and analysis the road and residential placenames of nanning,and analysis the spatial distribution, it is concluded that road name naming is divided into four types: reflect the geographical environment, history and culture, reflect the development of the economy and foreign economic exchanges and other placenames, rural residential area name is divided into four types : geographical location placenames, landscape placenames, good pleasure elegance placenames, reference placenames. In the spatial distribution, the highest density of urban placenames distribution in chaoyang as the center of the old city, followed by mingxiu road and dongge road, density of placenames is gradually reduced from the inner system to high-speed system, at the same time, the density of placenames of north yongjiang river n is greater than south.Secondly, through quantity and category, naming names, direction of placenames extension three aspects, to analysis the tendency of urban placenames evolution, and analyze the economic factor, political factor that result in the change of placenames, the results show that the number of placenames growing, the types in increasing, the naming richer, economic factors impact on development of place names is growing, the political factor is the decisive element that the change of placename, the development and distribution of place names is closely related to the urban planning. Finally, make a case study including nanjing, jinan, guangzhou, to analysis the characteristic of urban placenames, and on the basis of the existing problems of urban placenames, summarizes the characteristics of urban road placenames, find the characteristics in common and features of urban placenames naming, On the basis, to discussing the method of urban placenames naming, provide a reference for the naming of urban features place names. |