The main clinical symptom of urticaria is the itchiness accompanied by variable sized wheals and/or angioedema, the treatment of which includes causative and symptomatic treatments. The main clinical manifestation of urticaria is the size and shape of the wind and (or) angioedema, with various forms of attacks, the size and shape of the wind, often accompanied by itching. Severe acute urticaria can be accompanied by fever, nausea, vomiting, abdominal pain, diarrhea, chest tightness, laryngeal obstruction and other symptoms. The treatment of urticaria consists of causative treatment and symptomatic treatment. Causative treatment refers to the treatment of the cause of urticaria, such as drug-induced urticaria should be avoided, and anti-infective treatment can be considered for infection-induced urticaria. Symptomatic treatment aims to completely control the clinical symptoms of urticaria, such as reducing skin lesions and itching, relieving abdominal pain, diarrhea and reducing laryngeal edema. Urticaria should be treated regularly under the guidance of a doctor, and timely consultation is recommended if there is any discomfort, so as not to delay treatment.