Children’s summer back is always itchy may be corn rashes, insect bite dermatitis, ringworm and other factors, the patient should consult a doctor in a timely manner, to clarify the cause of the disease after treatment. 1. Corns: if the child in the summer time often in the high humidity and high temperature environment to play, should consider the back always itchy may be caused by corn rash, it will also have small blisters, pimples on the skin, you can use glycerin lotion for treatment. 2. Insect bite dermatitis: if the child is always itchy after going to the grass, woods, it should be considered mosquito bites caused by allergic dermatosis, can use hydrocortisone and other glucocorticosteroids for treatment. 3. ringworm: fungal infection caused by ringworm can also lead to children’s summer back is always itchy, there will be skin ring-shaped erythema, papules, papules, can be used topical ketoconazole cream for treatment. All of the above drugs should be used under the guidance of a doctor.