Urticaria patients are usually not able to eat seafood. Because after the occurrence of urticaria, no matter whether it is caused by seafood allergy, as long as the production of skin tingling and inflammatory reaction, eat seafood, may be due to the disease state and cause urticaria aggravation, but also because urticaria occurs after the skin is in a sensitive state, so even if the usual seafood is not allergic to the seafood, but also because of seafood intake will cause allergic phenomenon aggravated. After the patient produces urticaria, but also to avoid eating some spicy, stimulating food, such as chili peppers, onions, leeks, and a variety of alcohol, etc., to actively carry out anti-allergy treatment.