It can be used for iron deficiency anemia in children with weak spleen and stomach and iron deficiency anemia caused by deficiency of both heart and spleen. In addition, it can also be used for adults with iron deficiency anemia due to deficiency of both blood and qi, and can improve the patient’s symptoms such as atrophy, lack of food, abdominal distension, irregular bowel movements, irritability and sweating, and tiredness. Some people may experience darkening of teeth during the medication period, which usually disappears gradually after stopping the medication. In addition, patients may have black stools during the medication period because iron combines with hydrogen sulfide in the intestine to produce black sulfide, thus making the stool black. If the patient does not belong to iron deficiency anemia, it is generally not recommended to use this drug, and tea and greasy food should be avoided during the medication period, and it should not be used by patients with cold. It can be used to improve iron deficiency anemia caused by deficiency of Qi and blood and weakness of the spleen and stomach, and has the effect of strengthening the spleen and stomach, nourishing blood and calming the mind.