Effect of Jieji Xuanfei Chuyi Granule on Patients with COVID 19 (Omicron): a Randomized, Open-label, Parallel-controlled Trial

INTERVENTION: Experimental group:Jieji Xuanfei Chuyi Granule;Control group:Lianhua Qingwen Granules; CONDITION: Covid 19 (Omicron) infection SECONDARY OUTCOME: Clinical symptoms recovery time;Clinical symptoms recovery rate;Single symptom disappearance time;Single symptom disappearance rate;Hospitalization time;Fever reduction time;Nucleic acid negative time;Nucleic acid negative rate;Blood routine test; INCLUSION CRITERIA: 1. Meet the diagnostic criteria for patients with Covid 19 in the "Covid 19 Pneumonia Diagnosis and Treatment Program (Trial Version 9)"; 2. The clinical classification is mild and moderate; 3. Diagnosed within 72 hours; 4. Have one or more symptoms of fever, cough, and fatigue; 5. The patient's aged >= 18 years; 6. Sign the informed consent.