Urticaria is an allergic disease of the skin, for which there are two processes: acute and chronic. In addition to causing signs on the surface of the skin similar to those of a windbreak, urticaria can also involve multiple organs throughout the body. For example, urticaria can cause acute laryngeal edema, which is characterized by difficulty breathing and breath-holding. In addition, urticaria can cause urticaria-like vasculitis with vomiting, abdominal pain, diarrhea and other symptoms, and in severe cases, shock. In addition, urticaria can cause myocarditis, which can manifest as weakness in the limbs, chest tightness, and breath-holding. In addition, urticaria may also obstruct the airway, which may manifest as frequent coughing and shortness of breath. For urticaria, attention must be paid to the cause and treatment of urticaria, which should be dealt with early, regularly and for a long time in order to get the effect of eradicating urticaria