The cause of moderate anemia in infants must be clearly defined, such as iron deficiency anemia, megaloblastic anemia, thalassemia, etc. General treatment, medication and blood transfusion treatment can be taken according to the type of anemia. 1. Iron deficiency anemia: Dietary attention should be paid to the intake of iron-rich food, such as animal blood, pig liver and so on. Moderate iron deficiency anemia is usually treated with iron supplementation drugs, such as ferrous sulfate oral solution. 2. Megaloblastic anemia: It can be divided into two categories: vitamin B12 deficiency and folic acid deficiency-induced megaloblastic anemia. Vitamin B12 and/or folic acid can be used according to the classification. 3. Thalassemia: it can be assessed according to the hemoglobin of the baby. If the baby has obvious shortness of breath and other manifestations, a small amount of suspended red blood cell transfusion can be given according to the doctor’s instruction if necessary. Iron chelators such as deferoxamine are also needed to treat iron overload. Moderate anemia in infants can also be caused by many reasons, such as serosanguineous disease, it is recommended to go to the hospital in time, improve the examination to clarify the cause of the disease, and then give targeted treatment or treatment. All of the above medications should be used under a doctor’s supervision.