When acute urticaria strikes, you should pay special attention to your diet, do not eat spicy and irritating foods, such as chili peppers, leeks, garlic, etc. Do not eat fish, shrimp, crabs and other seafood, or beef and mutton, etc. You should also eat less mushrooms during the onset of the disease. To avoid contact with allergens, do not drink alcohol, strong tea and stimulating drinks. Eat light, easy-to-digest foods, green, vitamin-rich fruits and vegetables, and coarse fiber foods. At the same time, patients should also pay attention to rest, ensure sufficient sleep, avoid mental tension, anxiety, do not have too much stress, and most importantly, stay away from allergens.