Infantile eczema, commonly known as “tinea cruris”, usually occurs 2 to 3 weeks or 2 to 3 months after birth, mostly on the head and face, with intense itching, and can be divided into two types: exudative and dry. It is believed that the occurrence of infantile eczema is related to genetic factors, environmental factors and immune factors, and clinical tests have also found that children have allergic reactions to xenobiotics such as milk, eggs, fish and shrimp. The disease is prone to recurrence, heavy in winter and light in summer, and can be delayed until 1 to 2 years of age. Self-prevention should pay attention to the following points: 1, try to avoid all external stimuli, such as wearing clothes should be light, soft, loose, to wear pure cotton underwear, silk, woolen fabrics, artificial fiber clothing do not directly contact the skin, avoid scratching and friction. 2, avoid excessive skin cleaning, especially do not use hot water soap or disinfectant scalding, usually bath water temperature control at about 35 ℃, bath time 15 ~ 20 minutes; clothes, bed sheets, diapers should be diligently washed and changed; indoor temperature should not be too high, clothing and blankets do not too warm, to reduce the stimulation of sweat secretion. 3, pay attention to the regulation of diet, observe the child’s sensitivity to food, if necessary, food allergen determination, try to reduce the consumption of eggs, fish, shrimp, and other sensitive foods, some children with severe eczema, such as milk protein allergy can be considered to replace the deeply hydrolyzed protein milk powder or amino acid milk powder, for breastfeeding children’s mothers to avoid eating the food to which the child is sensitive. 4, local application of anti-inflammatory creams and keratinizing agents earlier, thick scabs can be softened and removed with external vegetable oil; for the treatment of moderate to severe eczema can be used weak or medium-acting hormonal creams, selective intermittent use under the guidance of a specialist is safe; infected exudate can be applied wet dressing and antibacterial creams. 5, intense itching can be appropriate oral antihistamines, there is an infection can be short-term application of antibiotics. 6, the high incidence of infant eczema in winter and dry climate leading to dry skin of the affected children, dry skin will make the skin barrier function damage leading to more sensitive skin to external stimuli, so for dry skin eczema in the application of drug therapy at the same time can use the appropriate hypoallergenic moisturizing emollients, such as Avène Triple Special Cream, Uze Multi-Repair Cream, etc., the repair of the skin barrier function is conducive to the healing of eczema and reduce recurrence. 7, a variety of infection factors can cause eczema aggravation, so eczema children should pay attention to avoid respiratory infections, trauma and indigestion; in the eczema acute infection period should try to avoid vaccinations. 8, to understand that eczema is a recurring chronic disease, do not demand a one-time cure, to cooperate with the doctor to apply the correct life care and correct and safe treatment methods to control infant eczema in the lightest state, to help the affected child smoothly through infancy.