Allergic urticaria is mostly caused by drugs, food, pollen, dust mites and other factors. First of all, you need to get rid of the allergen, then you need to seek medical attention to actively find the cause of the disease, and promptly use medication for anti-allergy treatment. Clinical treatment often uses anti-allergic drugs, such as loratadine, cetirizine, ibastine, azelastine and other H1 receptor antagonists, which can play a role in relieving itching, eliminating edema and inhibiting histamine regeneration. Mast cell stabilizers, such as ketotifen and trinostat, can be used adjuvantly to inhibit the release of chemical mediators from mast cell degranulation and reduce the occurrence of urticaria. Traditional Chinese medicine, such as Yu Ping Feng granules, can also be used. If patients with allergic urticaria develop chest tightness, abdominal pain and fever, they should seek medical attention at the earliest possible time. In addition to treatment, allergic urticaria also requires attention to prevention. Attention should be paid to avoid contact with allergy-causing factors in daily life. Eat a light diet, avoid spicy and allergy-prone foods, and eat more fresh vegetables and fruits rich in vitamins. You should also pay attention to temperature changes, increase and decrease clothing with temperature changes, and avoid hot and cold stimulation.