After suffering from urticaria, we should pay attention to the following points: 1. actively search for allergens, so that patients away from allergens, such as patients because of hot and cold stimuli, drugs, food or other autoimmune diseases caused by the cause must be identified. 2. patients with gastrointestinal symptoms should pay attention to diet, eat soft food or liquid food, avoid overeating, to eat less and more meals. 3. let patients rest well, reasonable arrangements The patient should take fresh green food, avoid fried, spicy and stimulating food, and do not drink alcohol. 5. When taking antihistamines, be sure to take them as prescribed by the doctor, and pay attention to safety.