1. Aged 18 to 75 years old, 2. Pneumonia patients with new coronavirus infection were confirmed to be positive by RT-PCR and clinical manifestations. The diagnosis standard refers to the current diagnosis and treatment plan for pneumonia with new coronavirus infection, 3. Patients with newly diagnosed respiratory system discomfort who have been hospitalized (the diagnosis time of respiratory system discomfort shall not exceed 7 days), 4. Women and their partners who have no planned pregnancy for nearly half a year and are willing to take effective contraceptive measures within 30 days from the first administration of the study drug to the last administration, 5. Agree not to participate in other clinical research within 30 days from the first administration of the study drug to the last administration, 6. Patients who voluntarily sign informed consent.

1. Aged 18 to 75 years old, 2. Pneumonia patients with new coronavirus infection were confirmed to be positive by RT-PCR and clinical manifestations. The diagnosis standard refers to the current diagnosis and treatment plan for pneumonia with new coronavirus infection, 3. Patients with newly diagnosed respiratory system discomfort who have been hospitalized (the diagnosis time of respiratory system discomfort shall not exceed 7 days), 4. Women and their partners who have no planned pregnancy for nearly half a year and are willing to take effective contraceptive measures within 30 days from the first administration of the study drug to the last administration, 5. Agree not to participate in other clinical research within 30 days from the first administration of the study drug to the last administration, 6. Patients who voluntarily sign informed consent.