Children with itchy allergic skin can be relieved by general treatment, local medication and systemic medication. 1. General treatment: first determine what substances are allergic to, avoid contact with allergens in the future, keep the skin clean and hygienic, avoid scratching the skin, eat a light diet and loose clothing. 2. Local medication: local topical medication such as glycerine lotion, fludioxonil acetate ointment and dexamethasone ointment can be used to relieve itching symptoms. 3. Systemic medication: if necessary, you can take oral chlorpheniramine maleate tablets, cetirizine oral solution and other antihistamines for treatment. Children allergic to itchy skin, parents need to bring to the hospital in a timely manner, under the guidance of a professional doctor to follow the doctor’s instructions to use medication, do not use medication privately.