1. For children who suddenly have urticaria after contact with highly allergic food or taking new drugs, or are accompanied by dyspnea, throat tightness and other critical situations, they should call the emergency number or go to the emergency department for emergency treatment, and should hang the emergency number for treatment.

2. For children with recurrent wheezing for a long time, it is suspected that it is related to the history of contact with cold, drugs, alcohol, etc., accompanied by symptoms such as local itching and numbness, and their condition is stable. They should go to pediatrics or dermatology for treatment.