Black wound is now in Yiwu, the original county of Yiwu. Since the county was founded in the 25th year of Qin Dynasty (222 BC), the Eastern Han Dynasty and Sun Wu successively had Changshan (now Jinhua, also divided into Lanxi), Hanning (later changed to Ning Wu, and returned to Sui), Yongkang (divided into Wuyi) and other places. In the Tang Dynasty, Yiwu was divided into Dongyang (separated from Pan 'an) and Puyang (renamed Pujiang). Therefore, Wu Shang-Yiwu is the main county and mother county of Jinhua City, which has a long history of humanity. Known as "the mother county in central Zhejiang, the base area of the Eighth Wu Dynasty".