To develop the city, we must know marketing it.The characteristic is the cornerstone of the image of the city, and the block is the basic unit of the city, Therefore, Promoting the urban marketing with planning and construction of the characteristic block which has become the classical practice in many cities at home and abroad. Great cities call for great streets, and great streets make great cities. In fact, The rise of many regional key cities, national key cities and even world key cities at home and abroad started from the planning and construction of characteristic blocks. Practice has proved that the planning and construction of characteristic blocks can have a good "multiplier effect" on promoting the overall and long-term development of the key cities.