Novel coronavirus infection is mainly a dry cough, caused by viral irritation of the bronchial and tracheal mucosa, which is characterized by no or very little sputum and is initially characterized by paroxysmal coughing, which may develop into a persistent cough as the disease progresses. In addition, in addition to a dry cough, patients often have fever, malaise, and dyspnea. If symptoms worsen or new symptoms appear, prompt hospital consultation is required to avoid delaying treatment.