This topic discusses the causes of urban functional zoning. There are many factors that affect urban functional zoning, including historical factors, economic factors, cultural factors and political factors. Among them, historical factors are the basis of the formation of urban functional zoning. Economic factors have great influence on urban functional zoning. However, there are not as many high-rise buildings in the center of Beijing as in Shenzhen, which is mainly influenced by history and culture. Because Beijing is the political and cultural center of the country and Tiananmen Square is the center of Beijing, this is a historical factor. This topic describes how to work hard.