According to historical records, sweet potatoes were introduced to China from the Spanish colony of Luzon (today's Philippines), and the time of sweet potato's introduction is widely recognized as being at the end of the 16th century, with a more accurate time being late May (1582) of the 21st year of the Wanli reign of the Ming dynasty. Sweet potato through a number of channels into China, the Ming Dynasty, "Min book", "agricultural government book", the Qing Dynasty, "Min political book", "Fuzhou Fuzhi" and so on have relevant records.

Sweet potatoes, also known as 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.

The origin of sweet potatoes is not China, sweet potatoes originated in Mexico and from Colombia, Ecuador to Peru along the tropical Americas, the early 16th century in Spain has been widely planted sweet potatoes, Spanish sailors carry sweet potatoes to the Philippines Manila and Moluccas, and then spread to all parts of Asia.

Sweet potatoes were introduced to China around the end of the 16th century, from the South China Sea to Fujian and Guangdong, China, and then to the Yangtze River, the Yellow River Basin and Taiwan Province and other places to spread, now China's sweet potato planting area and total output accounted for the world's first.