Pingjiang Road is a historical old street in Suzhou, is a small road along the river, its name is Pingjiang River. Pingjiang Road Historic District is the most complete preserved area of Suzhou Ancient City so far, which can be called the epitome of the ancient city. Compared with the Southern Song Dynasty "Pingjiang Map [1]" and the "Suzhou Fucheng Waterway General Map" at the end of Ming Dynasty, Pingjiang Road basically continued the pattern of Chengfang since the Tang and Song Dynasty, and has maintained vitality so far.