Atopic dermatitis, also known as atopic dermatitis and hereditary atopic dermatitis. Although the cause is unknown, it may be related to genetics, environmental factors, and lifestyle including dietary habits. Unlike common eczema and dermatitis, there is a family history of atopy such as rhinitis, asthma, chronic eczema (atopic dermatitis), etc. High peripheral peripheral blood eosinophils and Ig E. It is persistent, recurrent, itchy and intense, with lesions at specific sites in each period. Food allergies are 90% associated with milk, eggs, wheat, peanuts, nuts, soy, fish, etc. Conversely, a Mediterranean-style diet may be helpful for allergic diseases. Breastfeeding for at least 4-6 months is recommended for children with atopic dermatitis, and deeply hydrolyzed formula is the best alternative for those with milk allergies. A Mediterranean-style diet of fruits, vegetables, antioxidants and vitamins can be protective for children with atopic diseases. Vitamins C and E may play a synergistic role in antioxidants. If milk is not allergic, dairy products are saturated fatty acids and have a protective effect in small doses 1-2 times a week. Fish, monosaturated fats, omega-3 polyunsaturated fatty acids are protective against allergic diseases. Convenience foods and fast food are harmful to children’s health, increase chronic diseases such as obesity, and are inappropriate for allergic diseases. The Japanese study pregnant women to eat more green and yellow vegetables, orange and citrus fruits, beta-carotene is beneficial for infants and children with atopic dermatitis. Mothers who eat more vitamin D-rich foods can reduce the incidence of eczema. Avoid scratching. Scratching-allergy-scratching tends to form a vicious cycle that leads to impaired skin barrier function and aggravates itching. It is more likely to cause bacterial, especially Staphylococcus aureus, infections, and Staphylococcus aureus has the potential to produce antigens that cause allergic reactions. Parents should often help children to manicure their nails to avoid scratching the nails to cut the skin and damage the skin barrier function. Clothes should be as cotton as possible, soft and loose. Avoid fur products, one may fur irritation cause itching; the second is that fur is prone to mites, leading to allergies. Bathing, adhere to 1-2 days bath once, the water temperature 33-38 ℃, body wash do not use alkaline body wash and soap, the skin is already dry, the use of de-oiled skin more dry, aggravating the itching. It is recommended to use a neutral or weakly acidic body wash. After showering for 3-5 minutes, apply a topical moisturizer to keep the skin moisturized. This is the most basic treatment for atopic dermatitis and is necessary for all periods of atopic dermatitis treatment, except for large lesions of vesicles, oozing, and scratching. Reasonable topical glucocorticoids, in the case of non-exudation, the intensity of the hormone is chosen according to the size of the lesions and the degree of itching, which can quickly control the symptoms and avoid a vicious cycle. If exudation is obvious, wet compresses can be applied. If itching is intense, small doses of oral hormones can be considered. If the basic treatment care is good, no topical hormone can be used. Special areas such as the face can be treated with topical non-hormonal calcineurin inhibitors such as 0.03% tacrolimus ointment. Hypertrophic, recurrent lesions can be treated with narrow-spectrum ultraviolet light therapy (NB-UVB), which can also be very effective. Atopic dermatitis is not easy to treat completely, but if parents take care of it properly and treat it promptly, it is possible to control the symptoms and reduce the suffering of the child. If you find that life aggravates the skin lesions and itching, try to avoid it. If a regular diet, which has no effect on the condition, remember not to casually abstain from eating, which affects the growth and development of the child. Generally, when you start eating a new diet, start with a small dose, gradually increase the dose, and if you are not allergic for 15-20 times, you will rarely be allergic, so don’t avoid it. Then gradually try other diets. If a certain kind of aggravation, then resolutely resist and do not eat.