In fact, in China, many historical cities have preserved ancient streets, and the Ming and Qing styles are more numerous, but if they are detailed, they will still have their own uniqueness. For example, three squares and seven lanes retain the existing not many Lifang establishment, although in fact has transitioned to the street system, but many places still stand the square door; for example, as a city, walking in the ancient street, you will see the old tree root stems covered with the embankment of the small river, exude a very different momentum.