The symptoms of whooping cough in infants are mainly respiratory symptoms, and their cough is different from the general acute upper respiratory tract infection and pneumonia, mainly coughing very hard, manifesting as a spasmodic cough, coughing hard with a red face and a cockle-like tail, coughing lasting from a few minutes to more than ten minutes; at the same time the child is accompanied by coughing for a longer time, and it is easy to secondary viral or bacterial In laboratory tests, the cough is mainly characterized by an increase in white blood cells, but mainly in lymphocytes. In terms of treatment, macrolides such as erythromycin or azithromycin should be used, as well as cough suppressants such as Fulcodin oral solution or pulmonary cough combination. When the baby coughs so much that it causes suffocation at night.