Chestnut (scientific name: Castanea mollissima), also known as chestnut, chestnut, chestnut, and chestnut, is a plant of the genus Castanea in the Fagaceae family. It is native to China and is distributed in Vietnam, Taiwan and mainland China. It grows in Areas with an altitude of 370 to 2800 meters are mostly found in mountainous areas and have been widely cultivated artificially. Chestnuts are rich in nutrients, and their vitamin C content is higher than that of tomatoes, and more than ten times that of apples. The minerals in chestnuts are also very comprehensive, including potassium, zinc, iron, etc. Although the content is not as high as hazelnuts, it is still much higher than ordinary fruits such as apples, especially the potassium content which is 3 times higher than apples.