The Huaiyang Canal runs from Huai'an to Yangzhou Street. Huaiyang Canal, also known as Hangou, Li Canal, Qushui, Hanjiang, Zhongdushui, Shanyangdu, etc. in ancient times, refers to the river from Huai'an City, Jiangsu Province (the intersection of the Grand Canal of China and the ancient Huaihe River) to Yangzhou City (China This section of the river (the intersection of the Grand Canal and the Yangtze River) has a total length of more than 170 kilometers. The Grand Canal is a great project on the eastern plains of China. It is a great water conservancy construction created by the working people of ancient China. The Grand Canal was built in 486 BC. As the earliest man-made canal in the world, it is the longest-used and has the largest spatial span. The Grand Canal of China includes three parts: the Beijing-Hangzhou Grand Canal, the Eastern Zhejiang Grand Canal and the Sui-Tang Grand Canal, with a total length of 3,200 meters. kilometers, spanning more than 10 latitudes on the earth, spanning 8 provinces (municipalities) and 35 cities: Beijing, Tianjin, Hebei, Shandong, Henan, Anhui, Jiangsu and Zhejiang. It runs through the Great Plains of North China and connects to the five major water systems of the Haihe River, Yellow River, Huaihe River, Yangtze River and Qiantang River. It is the main artery of north-south transportation in ancient China and has a history of more than 2,500 years.