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. Prevention of scalp crusting in infants: 1. Try to find the cause and remove it, but it is often difficult. 2. Breastfeeding can reduce the extent of eczema. Protein-based complementary foods should be added later, such as eggs, fish, shrimp, generally babies from 4 months to gradually add, and babies with eczema, it is recommended to add 1 to 2 months later, and the rate of addition should be slow. The baby’s diet is as fresh as possible, avoid letting the baby eat processed foods containing gas, coloring, preservatives or stabilizers, puffing agents, etc. 3, intimate clothing is cotton, all clothes collar is preferably cotton, clothes to wear slightly on the cool side, clothing should be more loose, light and soft. Bed bedding is preferably cotton, clothing, pillows, bedding, etc. should be changed frequently to keep dry. Daily life care should avoid overheating and sweating. And let the baby avoid contact with feathers, animal hair, pollen, chemical fiber and other allergic substances. Clothing should not be made of silk, wool and chemical fiber products. 4, bathing and skin care to warm water bathing is best, avoid using strong alkaline bathing products, choose acidic bathing products. Skin care products choose hypoallergenic or anti-allergenic preparations for skin care, and it is best to conduct skin sensitivity measurement to understand the skin’s reaction to the skin care products used to prevent the occurrence of allergies in a timely manner. 5, the room temperature should not be too high, otherwise it will make the itchy eczema worse. The environment should minimize allergens to reduce allergic reactions caused by irritation. Do not keep pets at home, such as birds, cats, dogs, etc. Indoor ventilation, do not smoke indoors, do not put carpets indoors, cleaning is best wet wipe to avoid dust, or use a vacuum cleaner to deal with dusty areas of the home, such as curtains, frames and other items on. 6.Keep your baby’s bowels open and get enough sleep. Rhythmic physical exercise for the baby before bed for about 20 minutes, can increase the body’s ability to resist allergies, but also conducive to gastrointestinal function and improve the quality of baby sleep.