Itchy red bumps in children may be caused by allergies, eczema, papular urticaria, etc. They can be treated by keeping away from allergens, topical hormonal drugs and antihistamines. 1. Allergy: If a child is allergic to ultraviolet radiation, food and other allergies, it may lead to the phenomenon of itchy red bumps. It can be improved by keeping away from allergens, such as avoiding ultraviolet radiation, avoiding allergy-prone foods and so on. 2. Eczema: Eczema is a skin disease of the superficial dermis and epidermis caused by a variety of factors, which may be related to the environment, local stimuli, etc., and its symptoms are red bumps and itchy. Children can use topical hormonal drugs, such as dexamethasone ointment, halomethasone cream and so on. 3. Pemphigus urticaria: Pemphigus urticaria is a delayed allergic reaction caused by insect bites, mostly occurring in the spring and fall seasons, and its clinical symptoms are red bumps, itchy, and so on. Children can be treated by oral antihistamine drugs, such as phenylephrine hydrochloride tablets, diclofenac tadalafil tablets, etc., allergic to drug ingredients, pregnant women and lactating patients are prohibited. When the child red bumps very itchy, it is recommended to consult a doctor in a timely manner to identify the cause of the disease, and then follow the doctor’s instructions to use medication, do not self-medication, so as not to aggravate the condition.