Pediatric itchy rash can be treated with topical medication, systemic medication and physical therapy. 1. Topical medication: Itchy rash can be treated with topical medication, such as glycerite lotion, glucocorticoid preparation such as hydrocortisone ointment, Haxinaid solution and so on. 2. Systemic medication: oral loratadine, chlorpheniramine maleate and other antihistamines; in severe cases, glucocorticosteroid drugs can be used in small doses for a short period of time, such as dexamethasone tablets, prednisone tablets and so on. 3. Physical therapy: nodular itchy rash can take liquefied nitrogen freezing, laser treatment; can also be starch bath, mineral bath to make the itching symptoms reduced. Children itchy rash, need to go to the regular hospital in a timely manner to check, the drug should be used under the guidance of a professional doctor, to avoid delays in the condition.