Dongyang County was built in the Qin Dynasty and belongs to Donghai County. Dongyang and Ping 'an Sheyang were three counties in the Han Dynasty, which successively belonged to Linhuai and Guangling counties. At the beginning of Sui Dynasty, Anyi County was unified. In the Tang Dynasty, Su Zong reigned on April 16th, the third year of Shangyuan (AD 14 May, 762). Because it was really a gift, Su Zong issued a decree to change the third year of Shangyuan to the first year of Baoying, and Anyi County was renamed Baoying County, which is still in use today. In the Southern Song Dynasty, this place was successively promoted to Baoying House and Baoying Army, and was in charge of Baoying, Yancheng, Yang Shan and Huaiyin counties. The Ming Dynasty was transferred to Gaoyou Prefecture. The Qing Dynasty belonged to Yangzhou Prefecture. The Republic of China was successively subordinate to Huaiyang Road and Huaiyin Administrative Supervision Zone. In the early days of the founding of the People's Republic of China, it belonged to Yangzhou and Taizhou areas of Subei Administrative Office. 1953 1 Yuebao belongs to Yangzhou, Jiangsu Province. Analysis of Jinhu County, west of baoying lake, 1960. 1March, 983, the system of city governing counties was implemented, and Baoying County was subordinate to Yangzhou City.