Lotus root starch is a product made from raw lotus root and is a traditional nourishing food. The basic ingredient is starch, which is rich in iron, calcium and other trace elements. It is convenient to eat, easy to digest, and suitable for all ages. It has the effects of clearing away heat and cooling blood, laxative and antidiarrheal, replenishing blood and promoting muscle growth. It can be eaten by the general population, especially the elderly, young, women and children, and the frail and sick; it is especially suitable for patients with high fever, those who vomit blood, high blood pressure, liver disease, loss of appetite, iron deficiency anemia, and malnutrition.