Blood crusts on the scalp of infants are seen in dry eczema. Dry eczema is most often seen in thin infants. It occurs on the scalp, between the eyebrows, and other areas and presents as flushing, flaking, and papules without significant exudation. When chronic, it can also be mildly infiltrated and hypertrophic, with chapping, scratching or crusting. It often causes crying and sleep disturbances due to paroxysmal and intense itching. The infant’s scalp scab diet taboos: 1, forbidden to eat food with special irritants, to the infant to consume supplementary food is best not to add such as chili, mustard, pepper, ginger and other foods containing irritants. 2, protein allergies to infants and children should choose to eat special formula milk powder. 3, seed foods, such as a variety of beans, peanuts, sesame seeds, etc., infants should be added carefully in the complementary food. 4, seafood, such as onions, garlic, onions, lamb, etc., infants should be cautiously added to complementary foods. To prevent good eczema skin disease should try to avoid possible causative factors, summer to change clothes, infants and children should be dressed loosely, avoid mental tension, overwork, clothing should not be used silk, wool and chemical fiber products. Pay attention to keep the bowels open and actively treat various underlying diseases.