Yangtze River spot refers to spot transactions in the Yangtze River basin, including but not limited to Jiangsu, Zhejiang, Anhui and other places. Shanghai spot refers to the spot transaction in Shanghai. The trading places are different. The spot of the Yangtze River is mainly concentrated in the Yangtze River basin, and the spot of Shanghai is mainly carried out in Shanghai. In addition, the trading varieties of the Yangtze River spot and Shanghai spot are also different. The spot of the Yangtze River mainly involves spot transactions in agricultural products, mineral products and chemical products, such as soybeans, iron ore and petrochemical products. Shanghai's spot market is more diversified, covering metals, energy, agricultural products, chemical products and other varieties, such as copper, aluminum, oil, natural gas and so on.