Urticaria is an abnormal reaction of erythema and itching of the skin due to internal or external stimulation of certain factors, and is more common in infants and children. Due to the young age of infants and children, the development of various tissues and organs is not yet complete, if improper use of drugs may cause some serious damage to their kidneys and liver and other organs, so the treatment of hives in infants and children needs to be more cautious. Most infant hives are caused by allergies, such as pollen or mites and certain food components such as proteins, especially during the addition of complementary foods, babies can be induced to eat allergic foods, and should promptly identify the allergens and prevent further exposure. Urticaria is generally divided into skin type and mucous membrane type, with the majority being skin type. If your baby’s hives are more serious, such as those affecting the mucous membranes, especially those affecting the respiratory mucous membranes and causing breathing difficulties, you should send your baby to the doctor for treatment under medical supervision. Usually, you can use a lotion like glycolite to clean the surface, and use some anti-itch ointment to help stop the itching and inflammation. If your baby’s symptoms are still not reduced, consider taking some antihistamines to help relieve allergy symptoms. The specific medication should be based on the doctor’s advice and should not be used privately. In terms of care, you should be careful not to let your baby scratch the itchy area, and try to cut his nails as short as possible to avoid scratching the affected area, which may lead to oozing and erosion and aggravate the condition. Keep the affected area dry and clean by calming the baby who is emotionally upset. Baby hives should not be rushed to medication, can first from the removal of allergens and topical treatment to regulate, and then consider taking some medication when the effect is not good, but also to strengthen care.