According to the seventh edition of the new coronavirus pneumonia treatment protocol, the criteria for discharge from the new coronavirus pneumonia are as follows: 1. normal body temperature for 3 days. 2. significant improvement in respiratory symptoms. 3. lung imaging showing significant absorption of acute exudative lesions. 4. two consecutive sputum or nasopharyngeal swabs and other respiratory specimens with negative viral nucleic acid tests, with at least 24 hours between samples, meeting the above conditions can be discharged. . Novel pneumonia is an acute respiratory infection that is highly contagious and spreads quickly, so it is still important to do a good job of prevention and control.