Children with a lot of red bumps on the legs is very itchy may be due to mosquito bites, eczema and other factors caused by the use of medication. 1. papular urticaria: most of the mosquito bites, children’s legs will appear accompanied by itchy red papular lesions. Can be used externally compound phenylephrine cream and other drugs to stop itching; the use of hydrocortisone ointment to relieve local inflammation and allergy symptoms; when the symptoms are serious, you can also systematically use loratadine, cetirizine hydrochloride and other anti-allergy drugs. 2. Eczema: The disease may cause pimples and papules on the legs and itching sensation. Children should be detached from the allergens, avoid scratching the affected area; according to the condition of the choice of appropriate medication, no oozing available glucocorticosteroid cream in the acute stage, with oozing using 3% boric acid solution or 0.1% ethacridine solution; the chronic stage can be used hydrocortisone butyrate ointment. There are a lot of factors that lead to a lot of red bumps on the legs of children itchy, it is recommended to consult a doctor in a timely manner, and strictly comply with the doctor’s instructions for the use of medication.