Pale nose color is one of the symptoms of anemia. Anemia is a pathological condition in which the amount of hemoglobin, red blood cell count and red blood cell pressure volume per unit volume of circulating blood is lower than normal. Prevention of pale nose color in children: 1. Breastfeeding is an effective way to prevent anemia because the bioavailability and absorption rate of iron in breast milk is higher than that of milk; after 4 months of age, egg yolk, liver puree, minced meat, soy flour, boiled vegetable leaves and other iron-containing supplements should be added; milk-fed children should be added earlier than 2-3 months of age. The daily requirement of iron is 10-15 mg in pediatric period and 20 mg in adolescent girls. When the daily iron content in the food provided does not meet this requirement, it should be taken from iron supplementation drugs, which is very important to prevent anemia. 2, mastering scientific feeding skills The food provided must be combined with the age of the child, digestive function and other characteristics. Nutrients should be complete, the amount and proportion should be appropriate, and the food should not be too fine, too much sugar, too greasy, too strong seasoning and with stimulating. The variety of food should be diversified, not to destroy nutrients when cooking, and to achieve good color, aroma and taste, in order to increase the appetite of children, which is very beneficial to the prevention of anemia in children.