Perishable and rich in processed products. Set up a stall to buy mashed potatoes, which is easy to deteriorate outside, and it will also drop dust and breed microorganisms. Mashed potatoes are rich in processed products, such as potato cakes, potato soup, etc., which are eaten in various ways and have higher profits than mashed potatoes. Potatoes, also known as potato, yam egg, potato, ground egg, etc. It belongs to Panicum of Solanaceae.