In the Hakka dialect of Shangyou, potato is taro, also known as taro milk and taro. Is taro, potato seed is a bit like a flower-canna, the roots can be eaten. Taro tuber is edible: it can be used as soup, grain substitute or starch, and has been regarded as an important food subsidy or famine relief crop since ancient times. In addition to starch, taro can also be used to make vinegar, wine, separate protein and extract alkaloids. Taro is rich in protein, calcium, phosphorus, iron, potassium, magnesium, sodium, carotene, nicotinic acid, vitamin C, B vitamins, saponin and other ingredients.