Anemia is characterized by a decrease in red blood cell count and hemoglobin. The severity of anemia is clinically determined by the degree of hemoglobin reduction. Anemia is caused by impaired red blood cell production, blood loss or excessive red blood cell destruction. Our Pediatric Blood Conference (1989) recommends that hemoglobin be <145g/L in the neonatal period, <90g/L at 1-4 months, <100g/L at 4 - 6 months, <110g/L at 6 months - 6 years, and <120g/L above 6 years as anemia. The most common cause of anemia in infants and children is iron deficiency, and the body needs sufficient iron to synthesize hemoglobin. Iron deficiency anemia occurs if an infant is unable to obtain enough iron from the diet or loses too many blood red blood cells-that is, too much iron-due to microbleeding in the intestines. When anemia occurs in infants, parents must pay attention to feeding, giving high nutrition, high protein and iron-rich food. Generally, lean meat, pork liver, fish and other animal foods are relatively rich in iron and better absorbed, so pay attention to a reasonable diet to increase the absorption of iron. Adhere to breastfeeding until 12 months of age, for infants and toddlers fed artificially, iron-fortified formula is recommended; after adding complementary foods, babies can eat more iron-rich foods, such as: egg yolk, lean meat, animal liver, soy products, fungus, etc. or iron-fortified foods, and give more vitamin C or fresh fruits to promote iron absorption. If the baby's anemia is more severe, in addition to increasing the iron in the diet, the doctor may prescribe some iron supplement drops to be taken daily. Be sure to use iron-rich medications as prescribed. After the hemoglobin level returns to normal, you will need to take them for another 1 - 2 months to restore the baby's iron stores.