Atopic dermatitis is atopic dermatitis, atopic dermatitis in children usually need timely treatment to eliminate the triggering or aggravating factors, in order to promote the healing of the disease, the specific healing time is not certain. Atopic dermatitis is a chronic inflammatory skin disease that occurs in people with hereditary allergic qualities, and is triggered by allergens such as pollen and dust mites, and can have both acute and chronic recurrent episodes. In infancy, atopic dermatitis generally improves and resolves gradually within two years of age, but some patients can delay development into childhood. Childhood atopic dermatitis may continue to occur in infancy, or occur after 1 to 2 years of remission in infancy and gradually worsen. The disease can be controlled with the appropriate use of medications and general treatment, but care should be taken to minimize and prevent recurrences. When atopic dermatitis occurs in children, parents should consult a doctor in a timely manner, follow the doctor’s instructions, pay attention to reduce the environment of mites, fur and other allergens, and exclude allergic foods, in order to promote the healing of the disease.