Sweet potatoes are native to Peru, Ecuador, and Mexico in South America, and with the intercontinental exchanges between early explorers and businessmen in various countries, sweet potatoes came out of their homeland to expand to Europe, Africa, Asia, and other places where there were human settlements.

Sweet potatoes, also known as sweet potatoes, sweet potatoes, sweet potatoes, sweet potatoes, sweet potatoes, groundnuts, etc., for the tubular flower family, annual herbaceous plants, rich in protein, starch, pectin, cellulose, amino acids, vitamins and a variety of minerals, has a "longevity food" reputation.