1. Patient diagnosed with COVID-2019(positive for swab or sputum nucleic acid test), 2. The patients meet the definition of COVID - 19 (seventh edition) in the national health commission of the general and severe type, 3. The patients were in recovery, 4. The age of patients ranged from 18 to 70 years old.

1. Patient diagnosed with COVID-2019(positive for swab or sputum nucleic acid test), 2. The patients meet the definition of COVID - 19 (seventh edition) in the national health commission of the general and severe type, 3. The patients were in recovery, 4. The age of patients ranged from 18 to 70 years old.