Agricultural products futures are the earliest futures in the world, and grain trading has always been a traditional commodity in the futures market. Chicago Board of Trade is the oldest agricultural futures exchange in the world. Since the beginning of the 20th century, Zhengzhou Commodity Exchange and Shanghai Grain and Oil Commodity Exchange have been the main places for futures trading of agricultural products in China. The varieties of agricultural futures trading mainly include soybeans, corn, wheat, soybeans, sugar, coffee, cocoa, cotton, pigs and live cattle.