Urticaria, also known as wind bumps, is a common allergic skin disease characterized by recurrent erythematous clusters that itch at the onset. Antihistamines are commonly used to treat urticaria, but they are usually not used alone, but in combination with other drugs. These include cetirizine, loratadine, epalrestine, desloratadine, diphenhydramine, paracetamol, etc. The drugs are not suitable for pregnant women or patients with contraindications. In addition to medication, it is also important to avoid triggers that cause hives, food such as fish, shrimp and crab. Inhalation of various pollens, dust, smoke, etc. Drug stimulation such as penicillin, streptomycin, serum, vaccines, etc. Infection with bacteria, viruses, molds, etc. Endocrine disorders, menstrual disorders, menopause, etc. Care should be taken to avoid exposure to such triggers. However, such triggers are often difficult to detect, and the vast majority of patients are currently clinically unidentifiable as to the cause. It is important to maintain a good routine, strengthen physical exercise, and enhance physical fitness. Eat more vitamin-rich fresh fruits and vegetables and alkaline foods such as: grapes, kelp, tomatoes, cucumbers, carrots, bananas, apples, oranges, green beans, nuts, etc. Do not use hot water to wash the affected area, and do not abuse strong topical drugs. The disease is a metabolic disease, we must actively seek and remove the cause, treat chronic lesions, adjust the gastrointestinal function, and avoid the presence of allergens due to stimulation.