Atopic dermatitis in children is one of the urgent problems of pediatrics and pediatric allergology. Currently, the prevalence of this disease is 10-20% of children worldwide. The incidence of atopic dermatitis in children in different regions of the Russian Federation is very variable and usually ranges from 10 to 28%, and its share in allergic diseases is 50-75%. To date, a number of factors have been identified that aggravate the course of atopic dermatitis - food sensitivity, contact with pets, psychological discomfort and emotional stress, a history of intrauterine infections, skin colonization with Staphylococcus aureus.