Children with red bumps on the body and face is very itchy, consider hives, prickly heat, insect bite dermatitis, etc., mainly drug treatment, according to the specific causes of the selection of appropriate drugs. 1. hives: hives are caused by a variety of reasons, vasodilatation and increased vascular permeability, itching can be severe oral cetirizine, loratadine and so on. 2. prickly heat: if it is a hot summer, long time in the hot and humid environment, the small sweat ducts will be blocked, the appearance of small blisters, papules and pimples, should be away from the hot and humid environment, most of the prickly heat will disappear automatically after the skin cools down, you can also apply mint glycerine lotion and prickly heat powder and so on. 3. Insect bite dermatitis: insect bite reaction is the skin reaction caused by mosquito bites, if the mosquito bites, can appear in the bite of the red spot symptoms. Minor symptoms of local topical glucocorticoid cream (such as hydrocortisone ointment), internal antihistamine drugs (such as loratadine); lesions generalized, allergic reaction to the heavy short-term oral glucocorticoid (such as prednisone). Children with red bumps on the face is very itchy may also have other causes (such as eczema, atopic dermatitis), it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, to give targeted treatment or treatment. All of the above drugs should be used in accordance with medical advice.