Urticaria is a very common allergic disease in dermatology, which is mainly manifested by different sizes of hives, some of which can be fused into pieces and are accompanied by itching. Children’s urticaria is also a very easy to appear in childhood, its treatment: 1, as far as possible, no matter through the allergen detection, or daily life through close observation, to understand the children may be allergic to food, drugs, pollen, dust mites, animal fur, etc., as far as possible to find the cause, and can be avoided, this is the key to cure the conditions. 2, anti-allergic For children, the most important drugs are loratadine drops or granules, or syrup, and cetirizine drops, syrup and so on. Different doses are given according to kilograms of body weight or age, and the dose is gradually reduced, usually over a period of time. In the acute stage, it is recommended to use the drug for one week to ten days; for chronic urticaria, it is recommended to use the drug for a longer period of time, and after the lesions are under control, the drug can only be gradually stopped at intervals.