1. How long has the disease lasted since the first attack of urticaria? How long has this attack been aggravated? 2. Were there any precipitating factors before the first attack? For example, wind after sweating, wind after bathing, eating spicy and stimulating food, using medicine, etc. Xiao Yueyuan, Department of Dermatology, Xijing Hospital 3. What are the characteristics of the attack, such as cold, heat, alternating hot and cold, water, rainy days, sunlight, strangulation, pressure, drinking hot soup, eating spicy and stimulating food, eating condiments, exercising and emotional stress? 4. What time is the attack heavy? When do you get up in the morning, after dinner in the afternoon, at 7 or 8 pm, before undressing and going to bed, or in the middle of the night? 5. Is the wind mass predominantly red or white? Does itchiness appear after scratching?