Bronchiolitis is not a new type of coronavirus pneumonia. Bronchitis is caused by viral, bacterial or fungal, atypical pathogens and other infections, usually common respiratory viruses and bacteria. Novel coronavirus pneumonia is a newly discovered coronavirus, acute respiratory infectious disease characterized by human-to-human transmission, and ordinary bronchitis is not contagious. Bronchitis and new coronavirus pneumonia treatment is also different, bronchitis is relatively mild, new coronavirus pneumonia severe patients more than a week will cause acute respiratory distress syndrome, septic shock, multiple organ failure. There are medications for bronchitis, including antiviral, antibacterial, and antifungal treatments, but there are no specific medications for novel coronavirus pneumonia.