Clinical trial on regularity of TCM syndrome and differentiation treatment of COVID‐19  Drug: TCM prescriptions  China/COVID‐19  340, all, 18–75  Treatment  Exposure group: integrated TCM and western medicine cohort (routine treatment + one or two of the following antiviral drugs + the following TCM regimens: take decocted or granule, one dose a day)
Control group: western medicine cohort (routine treatment + one or both of the following antiviral drugs)  Not applicable  Primary (9 days): The relief/disappearance rate of main symptoms, chest CT absorption
Secondary (9 days): virus antigen negative conversion rate, Clinical effective time: the average effective time. The number of severe and critical conversion cases, Incidence of complications, Traditional Chinese Medicine Syndrome Score
Other outcome measures (9 days): CRP changes, ESR changes, PCTchanges, The index of T cell subsets changed  NCT04306497/Recruiting, Mar2‐May 2020