ABSTRACT
Qingfei Paidu decoction has a remarkable clinical effect, which has been recommended by the Diagnosis and Treatment Plan of Novel Coronavirus Pneumonia (Trial Sixth Edition) of the National Health Commission and National Administration of Traditional Chinese Medicine. In this paper, the authors intend to explore the pathogenesis of cold pestilence of coronavirus disease-2019 (COVID-19) and composition mechanism of Qingfei Paidu decoction, and believe that this formula can be used to relieve internal and external pressure and regulate triple energizer with the functions of promoting lung Qi, dispelling evil and detoxification, moistening and dampening, and purging heat by removing water. This formula is suitable for the pathogenesis of COVID-19, including cold, dryness and dampness, and can effectively treat symptoms. Therefore, it should be widely used throughout the country to contain the spread of the epidemic.