The nutritional value of taro is as follows. First, taro contains a mucin, which can be absorbed by human body to produce immunoglobulin, which can improve human immunity. Second, taro is an alkaline food, which can neutralize the accumulated acidic substances in the body, adjust the acid-base balance of the human body, produce beauty beauty and blacken hair, and can also be used to treat hyperacidity. Third, the content of fluorine in the minerals contained in taro is high, which has the functions of cleaning teeth, preventing caries and protecting teeth.