1. patients diagnosed as Pneumonia caused by new coronavirus infection (2019-nCoV), 2. virus turned negative after treatment, 3. aged 18-70 years old, 4. patients with clear consciousness 5. Signing the informed consent form.

1. patients diagnosed as Pneumonia caused by new coronavirus infection (2019-nCoV), 2. virus turned negative after treatment, 3. aged 18-70 years old, 4. patients with clear consciousness 5. Signing the informed consent form.