1. Male and female, aged 18-70 years, 2. Novel coronavirus nucleic acid test positive, 3. The diagnostic criteria for confirmed cases in the national COVID-19 Protocol (Eighth edition) were met, 4. Onset within 7 days (severe cases can be extended to less than 10 days), 5. The informed consent is signed by patients or their authorized agent, 6. Subjects who may or receive oral medication, 7. Agree to collect clinical samples, 8. Female subjects of reproductive age were not pregnant and agreed to use effective contraception within 7 days of the last oral medication to ensure non-pregnancy, 9. The men agreed not to cohabit with the woman for seven days after the last oral medication.

1. Male and female, aged 18-70 years, 2. Novel coronavirus nucleic acid test positive, 3. The diagnostic criteria for confirmed cases in the national COVID-19 Protocol (Eighth edition) were met, 4. Onset within 7 days (severe cases can be extended to less than 10 days), 5. The informed consent is signed by patients or their authorized agent, 6. Subjects who may or receive oral medication, 7. Agree to collect clinical samples, 8. Female subjects of reproductive age were not pregnant and agreed to use effective contraception within 7 days of the last oral medication to ensure non-pregnancy, 9. The men agreed not to cohabit with the woman for seven days after the last oral medication.