Dried bean skin and oil bean skin are two different bean products, and there are obvious differences in their production methods and appearance characteristics. Dried soybean skin is made by soaking soybeans and grinding them into pulp, then cooking, stirring and air cooling. Its appearance is soft, thin and elastic. The soybean skin is made by soaking soybeans and grinding them into pulp, and then frying them. Its appearance is crisp and golden. Because of the different production methods, dried bean skin is softer and chewy, which is suitable for making bean skin rolls and other dishes. The soybean skin is more crisp and suitable for snacks or ingredients. Therefore, there are obvious differences between dried bean skin and oil bean skin in making methods and appearance characteristics.