Wind bumps generally refer to urticaria, which is a manifestation of a red rash on the skin due to the irritation of the organism by cold air. Urticaria is mainly characterized by temporary wind bumps with intense itching, which may subside on its own after a few hours. In severe cases, systemic symptoms such as dyspnea, laryngeal edema, chest tightness and breath-holding, dizziness, panic, cold sweats, abdominal pain and diarrhea may occur. Urticaria can be divided into acute urticaria, skin scratching sign, sun urticaria, cold urticaria, etc. Usually the condition can be recovered after systematic treatment.