Symptoms of new crown pneumonia include early symptoms, typical symptoms such as fever, malaise, dry cough, nasal congestion, and loss of taste and smell, or there may be no obvious symptoms. 1. Early symptoms: Early symptoms are not obvious, most of them will be fever, fatigue, dry cough, nasal congestion and runny nose. 2. Typical symptoms: fever and fatigue, loss of taste and smell. About half of the patients will then experience dyspnea, and the severe cases will rapidly progress to acute respiratory distress syndrome and difficult-to-correct metabolic acidosis. Severe and critically ill patients usually present with low to moderate fever, or no apparent fever. The general incubation period for new coronavirus pneumonia is 1 to 14 days, with an average of 3 to 7 days. The main ways of new coronary transmission are direct transmission, aerosol transmission, and contact transmission. Be sure to take personal protective measures and seek medical attention when symptoms occur. 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.