Respiratory infections are categorized into upper and lower respiratory infections, with lower respiratory infections including pneumonia. The difference between an upper respiratory infection cough and a pneumonia cough is the difference in accompanying symptoms. Patients with upper respiratory tract infection cough will be accompanied by fever, sore throat, sneezing, nasal congestion, runny nose and other symptoms, and occasionally a tickle in the throat caused by a slight cough. Usually the cough symptoms are not obvious, breathing is normal, and the cough lasts for a short period of time. Cough caused by pneumonia generally affects the lung parenchyma, often manifested as a violent cough, accelerated respiratory rate, cough lasts for a long time, accompanied by dyspnea, dyspnea, nasal flap agitation, severe cyanosis of lips and lips, hypoxia, and even stimulation of the chest and abdomen to cause chest pain, abdominal pain and so on. Therefore, if the patient has a cough and other related symptoms, it is necessary to consult a doctor in a timely manner, to clarify the diagnosis and active treatment.