Gaochun old street is located in Xichun Street, Gaochun District, Nanjing, also known as Xichun Old Street. It is the commercial center of Gaochun, the most well-preserved ancient architectural complex in Jiangsu Province and the most well-preserved ancient street of Ming and Qing Dynasties in East China. Known as "the second Confucius Temple in Jinling" and "the first ancient street in Jinling". Gaochun old street has a history of more than 900 years since it was founded in the Song Dynasty.

The old street is more than 800 meters long and 4.5-5.5 meters wide. Because it is in the shape of "I", it is also called Ziyi Street. The buildings on both sides are brick and wood structures with two floors above and below. Modeling has both Anhui Huizhou style and distinctive local traditional style. There are many Ming and Qing buildings in gaochun old street. These ancient buildings are listed by the water, with white walls and blue tiles, cornices and upturned corners, exquisite brick and wood stone carvings and traditional calligraphy plaques. They are simple and elegant, and are praised by Chinese and foreign scholars and tourists as "the epitome of oriental civilization" and "the artistic treasure house of ancient buildings".

There are nine scenic spots in gaochun old street, including Wang Guan Temple, Gaochun Folk Museum, Yang Ting, the headquarters of the first detachment of the New Fourth Army, Gaochun Folk Performance Hall, the former site of the New Fourth Army's office in Gaochun, the ancient well in Qianlong and the ruins of the Church of Jesus, which mainly display the quaint ancient architecture art and its rich folk culture.