Neocoronavirus, also known as the new coronavirus, may cause bronchial inflammation. The new coronavirus can be inhaled through the respiratory tract and thus infect the respiratory system, causing symptoms of upper respiratory tract infections, and when the virus invades the bronchial tubes, it may cause bronchial inflammation. It may cause symptoms such as cough, fever, fatigue, muscle aches, difficulty in spitting and breathing, and chest pain. If there are symptoms of bronchitis, such as coughing, coughing up sputum, and in high-risk areas, or contact with outsiders, you should go to the hospital in time for nucleic acid testing, and if you confirm the diagnosis of neococcal pneumonia, you should take appropriate isolation and treatment measures in a timely manner, and at the same time carry out epidemiological investigations. After excluding the new crown pneumonia, bronchitis is mostly caused by viruses, allergies or air pollution, and can be treated under the guidance of physicians. Coughing, coughing up sputum and other symptoms are considered to be bronchitis, it is recommended to consult a physician to determine the next step in the diagnosis and treatment program. Tip: “New coronavirus pneumonia” and “new coronavirus pneumonia” mentioned in this article were renamed to “new coronavirus infection” on December 26, 2022, as announced by the National Health Commission.