Occasional coughing should not be a novel coronavirus infection. Novel coronavirus pneumonia does have symptoms of coughing, but also other manifestations such as fever and malaise. Occasional cough should be upper respiratory tract infection, 60%-80% is caused by viral infection, so in the early stage of the disease can be treated with interferon atomized inhalation or spray. There is no specific drug for viral infection, it is a self-limiting disease, common respiratory tract infections in 5-7 days the symptoms can disappear, but the new coronavirus pneumonia is relatively more serious, it can also be transmitted to other people through droplets, contact and aerosols, so it is important to recognize the new coronavirus pneumonia, which in addition to the symptoms of malaise, cough, fever, it will be in 1 week after the emergence of respiratory distress and hypoxemia, it can be done nucleic acid test. This is when nucleic acid testing can be done.