Cough is a common symptom, because the trachea, bronchial mucosa or pleura by inflammation, foreign body, physical or chemical stimulation can produce cough, cough has to clear the respiratory tract of foreign bodies and secretions of the protective effect, upper and lower respiratory tract infections can cause cough. Cough during the epidemic should be sorted out whether there is an epidemiological history of new coronavirus pneumonia, whether there are people at home who are ill at the same time, but also to observe whether there are other clinical symptoms in addition to cough symptoms, such as fever and malaise, then you can through the hospitals of the network of free free clinics for consultation, under the guidance of the doctor’s observation and use of medication. Once the symptoms of cough and fever appear, you should actively consult a doctor, and the fever clinic of each hospital can conduct nucleic acid tests.