Itchy blisters are referred to as hives in medicine, which can be improved by general treatment, medication and physical therapy. 1. General treatment: for urticaria patients, first need to identify and away from the causative factors, the daily need to rest, protect the skin clean, help to improve the local symptoms. 2. Drug therapy: patients can follow the doctor’s instructions for external use of glycerite lotion and other drugs, help to stop itching. At the same time, oral cetirizine, loratadine and other antihistamines as prescribed by the doctor, which have the effect of anti-allergy and anti-itch. 3. Physical therapy: for refractory chronic urticaria, patients can use long-wave ultraviolet light, medium-wave ultraviolet light, etc., which can help treat urticaria and improve the itching. Treatment of urticaria is more methods, it is recommended that patients go to a regular hospital, with the doctor for standardized treatment.