Pertussis is a common, respiratory infection in infants and young children caused by the bacterium Bordetella pertussis. It is called whooping cough because it is characterized by paroxysmal coughing that lasts for about 100 days. It is characterized by intermittent coughing, and some children also have upper respiratory tract infections such as sneezing and runny nose. Pertussis 5-7 days after the onset of spasmodic cough, spasmodic cough is the most typical cough of pertussis, cough cough to the back of a hook sound, in the spasmodic cough after the recovery period, this period of cough after the hook sound will gradually disappear. At present, as infants and young children after birth began to vaccinate against pertussis, the incidence of pertussis has declined significantly. However, if infants and young children show symptoms related to pertussis, they should go to the hospital in a timely manner to confirm the diagnosis, standardized treatment under the guidance of the doctor.