Sweet potato, also known as sweet potato, is a food crop with high yield and strong adaptability, and is planted in most areas of China. Sweet potato is also called sweet potato, sweet potato, sweet storage, Zhu potato, golden potato, Fanru, red yam, jade pillow potato, sweet potato, sweet potato, sweet potato, sweet potato, goose, sweet potato and so on. Sweet potato is panicum miliaceum, and the underground part presents a round, oval or spindle-shaped root.