Subjects who are diagnosed with COVID-19 by RATs or PCR tests and fulfilled the eligibility criteria will receive a maximum of 14 days of treatment with Yinqiaosan-Maxingganshitang (with or without specified additions) or placebo and will be followed up on day 7, 14 and 35 after receiving medication (day 0).
This is a randomized, double-blinded, placebo-controlled clinical trial. This study is to evaluate the effectiveness and safety of Yinqiaosan-Maxingganshitang in the treatment of the major symptoms of mild and moderate COVID-19 patients by telemedicine.