The similarity between soybean and corn is that they can both extract oil and oil residue can also be used as feed, but the difference is that most of them belong to dicotyledonous plants and cash crops. Corn is a monocotyledonous plant and a food crop, and both of them contain different components. Soybean has high protein content and corn has high sugar content. They have different values and different prices. Soybean per catty 1.5 yuan, corn per catty 0.7 yuan. Moreover, their planting methods and management methods are different.