A child’s itchy skin in the summer can be caused by insect bite dermatitis, eczema, hives and other diseases, which can be treated with oral medication and medication application. 1. Insect bite dermatitis: refers to the allergic and inflammatory reaction of the skin after being bitten by insects, this disease will lead to the appearance of skin pimples, which will lead to the appearance of the phenomenon of the child’s itchy skin in the summer scratching everywhere. It can be treated with medicines such as glycerin lotion and dianabed cream. 2. Eczema: is a variety of causes of superficial dermis, epidermal inflammation, this disease can lead to skin barrier dysfunction, thus causing the phenomenon of children’s summer skin is always itchy scratching everywhere. Glucocorticoids can be used externally, such as Dinaid cream, oral loratadine syrup and other medications. 3. Urticaria: The disease may lead to dilation of small blood vessels in the skin and mucous membranes and increase in permeability, which will lead to the child’s itchy skin in the summer scratching everywhere. Oral antihistamine drugs such as cetirizine and other drugs. The child’s summer skin is always itchy scratching everywhere may also have other reasons, need to take the child to the regular hospital dermatology consultation, clear cause and then the cause of the treatment, the application of medication need to strictly follow the doctor’s instructions.