There is no easiest cure for eczema in 4 year olds, and eczema in children is associated with genetics, diet, environment, biology and other factors. Treatment includes general treatment and medication. 1. General treatment: children’s eczema parents should pay attention to, for there is a clear allergy to avoid eating food; clothing should be slightly thin, cotton texture, loose and soft; living room environment should be cool, ventilated and clean; skin cleaning care, proper bathing, can choose weak acidic skin cleanser, the time to 5 ~ 10 minutes appropriate, the water temperature of 36 ~ 38 ° C, timely use of moisturizers after the bath. 2. Medication: If the skin is intensely itchy, local use of glycerite lotion scrub can effectively relieve itching. If children’s eczema is more serious, need to use topical glucocorticoid creams, such as Dinaid cream, and with antihistamines, such as cetirizine, loratadine. All of the above drugs should be used under the guidance of a doctor, avoid self-medication. 4-year-old children with eczema, it is recommended to consult a doctor in a timely manner, to clarify the cause of the disease, to give targeted treatment, so as to avoid delays in the condition.