Urticaria can appear on all parts of the body, and it is also common to see hives on the face. In the case of food allergy, the allergic food should be identified and avoided again; in the case of sun allergy, avoid light during treatment. In addition, it is necessary to avoid triggering factors, such as cold urticaria should pay attention to keep warm, acetylcholine urticaria can reduce exercise, sweating and mood swings. Patients can also take antihistamines, such as levocetirizine or loratadine, to relieve symptoms. Although the clinical manifestations of different types of urticaria are similar, there are differences in the management of certain types of urticaria: 1. Acute urticaria: the onset is more acute, often due to infection, and in more severe cases, it can be accompanied by dangerous symptoms such as shock, laryngeal edema and respiratory distress, which should be immediately rescued by a doctor; 2. Chronic urticaria: recurrent episodes of more than 6 weeks, with at least 2 episodes per week and a longer duration, usually requiring long-term treatment. During the treatment of urticaria, you should pay attention to personal cleanliness and hygiene, keep indoor ventilation, regular work and rest, avoid staying up late, and keep your mood relaxed. If you experience any abnormalities such as difficulty in breathing, chest tightness, or nausea, you should go to the dermatology department of a hospital in a timely manner, and after a professional and targeted examination, use medication and treatment under the guidance of a doctor. The skin on the face is more delicate and care should be taken to avoid the use of irritating topical drugs.