A dry cough can occur in new forms of pneumonia, but there are many causes of dry cough, including the common cold, upper respiratory tract infections, and influenza virus infections. In addition to a dry cough, you should also pay attention to any other clinical manifestations, such as fever, cough, phlegm, fatigue, abdominal pain, diarrhea and other symptoms. If the dry cough is accompanied by the above symptoms, attention should be paid. To confirm the diagnosis, you need to go to the hospital in time to complete chest CT and nucleic acid testing.