Taro is an important vegetable and food crop, with high nutritional and medicinal value, and it is a nutritional product suitable for all ages. Moreover, the starch granules of taro are as small as one tenth of potato starch, and the digestibility can reach above 98%, which is especially suitable for infants and patients, so it has the reputation of emperor sacrifice. Besides starch, taro can also be used to make vinegar, make wine, separate protein and extract alkaloids.