Ear potatoes are loved by consumers because of their unique taste and delicious taste. Ear potato has the advantages of simple production, low cost and large profit margin, and is suitable for stall sales. In addition, the ear potato has a wide range of sales, is not limited by seasons, and can meet the taste needs of different people. In contrast, although ice powder is also a popular dessert in summer, the production process is relatively complicated, requiring professional equipment and technology, and the cost is high. The sale of ice powder is greatly influenced by the season and weather, and it is only suitable for sale in summer. Therefore, considering comprehensively, it is better to sell ear potatoes.