Viral pneumonia is a type of lung inflammation, which is caused by viral infection of the lungs, and its pathogens include influenza virus, adenovirus, rhinovirus, coronavirus, etc. It is not common for viruses to cause pneumonia. Viruses that cause pneumonia are not common, mostly caused by upper respiratory tract infections spreading downward, slow onset of disease, clinical symptoms are generally mild, can be manifested as headache, fever, malaise, cough, etc., usually symptomatic treatment can be, the course of the disease is mostly within 1 ~ 2 weeks. In addition, when there is an immunodeficiency or viral virulence, the symptoms are often more serious, such as H1N1 virus, SARS virus, new coronavirus and other infections, often in an emergency, can be manifested as persistent high fever, cyanosis, and so on, and even the emergence of respiratory distress syndrome, endangering the life. Therefore, if viral pneumonia occurs, you should go to the hospital in a timely manner, and under the guidance of the doctor for treatment.