The Old Town of Lijiang, also known as Dayan Town, Dayan Ancient Town and Dayan Ancient City, is located in the ancient city of Lijiang City, Yunnan Province, China Province, in the middle of Lijiang Dam and on the Yunnan-Guizhou Plateau. It consists of Dayan Ancient City (including Black Dragon Pool), Baisha Residential Buildings and Shuhe Residential Buildings, covering an area of 7.279 square kilometers.
Old Town of Lijiang was founded in the late Song Dynasty and early Yuan Dynasty. The ancestors of Mu family in Lijiang moved the ruling center from Baisha ancient town to Lion Mountain and began to build houses and cities, which were called "big leaf fields". In the Ming Dynasty, the establishment, consolidation and perfection of the chieftain system made Old Town of Lijiang enter the first glorious period in its development history. In the Qing Dynasty, with the improvement of agricultural productivity and the development of handicrafts, Old Town of Lijiang gradually developed into a commercial center. After the Republic of China, there have been more than 1,200 large and small businesses in Old Town of Lijiang. In 1986, Old Town of Lijiang was listed as the second batch of national famous historical and cultural cities, and its position in China was confirmed. In December 1997, Old Town of Lijiang was included in the World Cultural Heritage List. In December 2002, the State Council officially approved the withdrawal of land from Lijiang to set up a city, and the administrative division of Old Town of Lijiang belonged to the old town of Lijiang. Old Town of Lijiang has integrated the essence of Han, Bai, Yi, Tibetan, Naxi and other ethnic groups from the overall layout of the city to engineering and architecture, with irregular road network and no strict city walls. The streets in Old Town of Lijiang are built by mountains and rivers, paved with red breccia, and there are scenic spots such as Wangulou, Mufu, Wufenglou, Heilongtan, Wenchang Palace, Fang Guoyu's former residence, Fusaiji, Sifang Street, Kegongfang and Xueshan Academy.
Old Town of Lijiang is a national AAAAA-level tourist attraction, a world cultural heritage, and a famous historical and cultural city with high comprehensive value and overall value, which embodies the local history and culture, national customs and customs and embodies the essential characteristics of social progress at that time. Its existence provides valuable information for the study of the history of human urban construction and the history of human national development.